Sir John Drummond
Sir John was born about 1362 in Stobhall, Cargill, Perthshire, Scotland.¹ 

 Elizabeth Sinclair
Elizabeth was born about 1376 in Rosslyn Castle, Roslin, Midlothian, Scotland.¹   Elizabeth is no longer alive.

 Sir Walter Drummond
Sir Walter was born about 1395 in Stobhall, Cargill, Perthshire, Scotland.¹