| FATHER |
| Sir Henry "2nd Baron of Roslin" Sinclair (LRDW-2TL) |
| BIRTH | 1192 | Roslin, Midlothian, Scotland |
| DEATH | 1214 | Roslin, Midlothian, Scotland |
| REF # | | 11180538; |
| REF # | | |
| REF # | | 60; |
| MARRIAGE | | Katherine Strathearn (L69K-4S2); |
| FATHER | William "Baron of Rosslyn" Sinclair (L5PJ-TDT) |
| MOTHER | Agnes Dunbar (LBKH-6BN) |
| |
| MOTHER |
| Rosabel Strathearn (G2ZK-DRK) |
| BIRTH | 1090 | |
| DEATH | 1180 | |
| REF # | | 9986935; |
| REF # | | 10537162; |
| REF # | | 60; |
| MARRIAGE | | Henry Sinclair (LTFJ-6G4); |