In the 1698 Somerset Co MD will for William Wallace he bequeathed item to three of his cousins who were children of Matthew Wallace and Elizabeth Alexander:
1 dau. Jane who married John McKnitt
2 son Richard's son John
3 Unnamed dau who married John Brevard before 1698, She died at Somerset MD about 1710 and Brevard then married Catherine Mary McKnitt.
She was a full dau of Matthew and Elizabeth Alexander Wallace , not a half daughter.