Rosemarie was developmentally disabled. She lived with her mother until Marie died, then alternated residence between her half-brother (Cecil) Edward and her half-sister Marguerite (Margie). After Margie's death in 1974 she lived with her half-brother until she died. Rosemarie was very short and head dark curly hair. She died at the residence of her on Perry Hill Rd in Shushan, NY. She is buried in the old cemetery in Salem, NY.

Related document: Letter acknowledging receipt of thirty-five dollars from Edward C. Dunscombe for perpetual care of burial lot number 23 in Section R, Evergreen Cemetery, Salem, N.Y. Dated April 29, 1980.