Adeliza of Louvain, sometimes known in England as Adelicia of Louvain, also called Adela and Aleidis; (c. 1103 ? 23 April 1151) was Queen of England from 1121 to 1135, as the second wife of King Henry I. She was the daughter of Godfrey I, Count of Louvain.

Adeliza of Louvain was born in 1105 in Louvain, present-day Belgium. She was renowned for her beauty, reflected in the epithet ?the fair maiden of Brabant. The chronicler Henry of Huntingdon also mentions Adeliza's beauty in an interlude in his Historia Anglorum stating, a jewel grows pale on you, a crown does not shine. Put adornment aside, for nature provides your adornment.

Her father was Godfrey I, Count of Louvain (1095-1139), Landgrave of Brabant, and Duke of Lower Lotharingia (1106-1128), an ally of Henry V, Holy Roman Emperor. After the death of Adeliza's mother, Ida of Chiny, Godfrey married Clementia of Burgundy, the mother of Baldwin VII, Count of Flanders who had fought with the French against the Normans in 1118. Adeliza's brother, Joscelin of Louvain, married the heiress to the Percy fortune. He is often referred to as an opportunist.

Plans for Adeliza's marriage to Henry I of England, may have begun when she was as young as sixteen, even before Henry's only legitimate son, William Adelin, died on 25 November 1120 in the White Ship disaster. However, Henry's need for a new male heir expedited the marriage plans and the couple wed on 24 January 1121. Apparently in addition to her beauty, Henry was also attracted to Adeliza as a wife because she was a descendant of Charlemagne. It is thought that Henry?s only surviving legitimate child Empress Matilda, from his first wife Matilda of Scotland, may have been involved in arranging his second marriage, due to the fact that she was with him near the time that it was being negotiated. Henry of Huntingdon mentions the royal couple in his Historia Anglorum stating that the new queen accompanied Henry to London at Pentecost. Adeliza appears to have traveled extensively with Henry, likely to increase the chances of her conception. Despite their close contact, however, Adeliza and Henry never produced a child.

Unlike Henry's first wife Matilda, Adeliza appears to have played a very passive role in the administration of the kingdom. While Matilda issued some thirty-one charters and writs during her queenship, during Adeliza's fifteen-year marriage to Henry I she issued one, and she only attested 13 of Henry's many charters, even though they were almost always together.

Despite her limited involvement in politics, Adeliza seems to have played an active role as a patron of the arts and literature, and was influential in fostering the rise of French poetry in the English court. While English queens had been traditionally associated with artistic patronage for decades, and a number of them, including Edith of Wessex, Emma of Normandy and Matilda, had financed a number of works in different media, Adeliza primarily sponsored books written in French. At the time, secular bound books in the vernacular language were extremely popular, a trend given impetus by wealthy aristocratic women like Adeliza. Philippe de Thaon, an Anglo-Norman poet, dedicated his zoological treatise known as the Bestiary to the queen:

Philippe de Thaon Has distilled into a French treatise
The Bestiary, A book in Latin,
For the honour of a jewel Who is an outstandingly beautiful woman.
And she is courtly and wise, Of good customs and generous:
She is called 'Aaliz', Queen is she crowned,
She is the queen of England; May her soul never know trouble!
Listen to what we find About her name in Hebrew:''
'Aaliz' is her name; 'Praise of God' is
In Hebrew truly 'Aaliz', laus of God.
I do not dare give further praise, Lest envy take me,
But so that she may be remembered And praised forever more
I wish to compose this book; May God be present at its beginning!

The Bestiary would have been amply illustrated, and was intended to be read page by page, not all at once, like a poem. Many other works that Adeliza commissioned were similar in structure to the Bestiary, including the now lost Life of King Henry by David.

When Henry died on 1 December 1135, Adeliza retired temporarily to the Benedictine convent of Wilton Abbey, near Salisbury. She was present at the dedication of Henry's tomb at Reading Abbey on the first anniversary of his death. At about that time, she founded a leper hospital dedicated to Saint Giles at Fugglestone St Peter, Wiltshire.

In 1138, three years after Henry I's death, Adeliza married William d'Aubigny, 1st Earl of Arundel, one of Henry I's advisors, and son of Guillaume d?Aubigny and Maud le Bigod. Together, they lived at her castle of Arundel on the Sussex coast and had seven children. Their names were (by order of birth), Alice, William, Olivia, Reynor, Geoffrey, Henry, and Agatha.

Although not a great deal is known about Adeliza's relationship with her stepdaughter, it is known she was present at the ceremony when Henry officially named Matilda as his heir, since the chronicler John of Worcester states that the Queen swore [an oath] for the king's daughter. After her second marriage, Adeliza received Matilda at her home in Arundel, along with Matilda's half-brother Robert, 1st Earl of Gloucester, in defiance of the wishes of her husband who was a staunch supporter of King Stephen. She later betrayed them and handed them over when King Stephen besieged the castle. Trying to explain Adeliza's actions, John of Worcester suggests that she feared the king's majesty and worried that she might lose the great estate she held throughout England. He also mentions Adeliza's excuse to King Stephen, she swore on oath that his enemies had not come to England on her account but that she had simply given them hospitality as persons of high dignity once close to her.

In the last years of her life, Adeliza appears to have faded into obscurity. In 1150, Adeliza left William to enter the monastery of Afflighem in Flanders. At least one of her brothers was also living at this monastery. The annals at the monastery are the only source to mention her death in 1151, and her burial site is unknown. Some traditions imply she was buried at the monastery, but a donation made by her brother Joscelin to Reading Abbey seems to suggest she was buried there with Henry I (wikipedia)