David Colyear, 1st Earl of Portmore British politician (1656-1730) (1656–1730) Parents Jean Murray Sir Alexander Colyear, 1st Baronet Children Charles Colyear, 2nd Earl of Portmore David Colyear, Viscount Milsington Siblings Walter Philip Colyear Partners Arnolda de Beyer Catherine Sedley, Countess of Dorchester