Resumo
Filho de Henry Sinclair, 1st Earl of Orkney e Jean Halyburton of Dirleton
Filhos (2):
- John Drummond V ou João Escorssio
- Walter Drummond
Casou c/ Jonh Drumond Cargill Stobhall, filho de John Drummond of that Ilk, 11th Thane of Lennox