In the photo, Mary "Matie" Pillsbury was the daughter of Joseph L. Pillsbury & Mary Anna Ely. Alice Ihrig was the daughter of David Billman Ihrig & Elizabeth Nancy Ely, Mary Anna Ely & Elizabeth Nancy Ely being sisters - making Matie and Alice 1st cousins. Martha Chamberlain, in white in the photo, was the wife of Charles Pillsbury, who was Matie's brother, making Matie and Martha sisters-in-law.