| William Algernon "With Whiskers" de Percy (~1030 - 1096) |
|
| Lady Emma de Port of Semar (~1038 - >1096) |
| Richard de Percy | Alice Athelisa |
| b. abt 1073, Of Whitby, Yorkshire, England d. bur. occ. cen. im. . ud. |
b. abt 1077, Of Whitby, Yorkshire, England d. bur. occ. cen. im. . ud. |
| Spouses: 1, 2 |