"Eunice Sleeman". Edmund Rice (1638) Association. Eunice Sleeman was the mother of Eunice Blood (1782–1862), the wife of Nathan Colby (born 1778), who were the parents of Laura Louise Colby Ingalls (1810–1883), Charles's mother. Archived from the original on April 20, 2011. Retrieved October 15, 2010.
"Eunice Sleeman". Edmund Rice (1638) Association. Eunice Sleeman was the mother of Eunice Blood (1782–1862), the wife of Nathan Colby (born 1778), who were the parents of Laura Louise Colby Ingalls (1810–1883), Charles's mother. Archived from the original on April 20, 2011. Retrieved October 15, 2010.