| Children |
| | 1. SINCLAIR, Sir Henry Pentland, b. 1276, Scotland , d. 28 Jan 1335, Scotland (Age 59 years) [natural] |
| | 2. SINCLAIR, Sir William Roslin, b. 1303, Roslin Castle, Caithness, Orkney Islands, Scotland , d. 9 Sep 1358, Lithuania with the Teutonic Knights; Buried Orkney Islands, Orkney, Scotland (Age 55 years) [natural] |
| | 3. SINCLAIR, John, b. 1323, Hermanston, East Lothian, Scotland , d. 1377, Hermanston, East Lothian, Scotland (Age 54 years) [natural] |
| | 4. STEWART, Margaret Thomas Countess Angus, b. 1330, Rosslyn Castle, Midlothian, Scotland , d. 23 Mar 1417, Hermiston, Roxburghshire, Scotland (Age 87 years) [natural] |
| | 5. SINCLAIR, Thomas, d. 1 Nov 1371 [natural] |
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