John Sempill, 1st of Beltrees, was born circa 1540 to Robert Sempill (c1505-c1575) and Elizabeth Carlile and died 25 August 1579 of unspecified causes. He married Mary Livingston (-1579) . William I of England (1027-1087), Robert I of Scotland (1274-1329), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Robert I of Scotland (1274-1329)/s, Rollo of Normandy (860-932)/s.
|James Sempill (c1566-1626)||1566 Renfrewshire||February 1626||Egidia Elphinstone (-1618)|
|Robert Sempill (-bef1569)|
|Grizel Sempill (-1575)|
|Margaret Sempill (-1580)|
|John Sempill (c1540-1579)||1540||25 August 1579||Mary Livingston (-1579)|