Emma de la Guerche
|This person was last edited on||7 Jul 2021|
- [S1845] Henry James Young, The Blackmans of Knight's Creek: Ancestors and Descendants of George and Maria (Smith) Blackman (Carlisle, Pennsylvania: s.p., 1980), 109 (Gen XXVII 35-36), further cited as Young, Blackmans of Knight's Creek.
- [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 4:161 (Mortain 3), further cited as Richardson, Royal Ancestry.
- [S1947] Richardson, Royal Ancestry, 4:161 (Mortain 4).