John married MACKENZIE, Lady Mary Jean Countess of Marr in 1647. Mary (daughter of MACKENZIE, Sir George 2Nd Earl of Seaforth and FORBES, Barbara, daughter of MACKENZIE, Sir George 2nd Earl of Seaforth and FORBES, Countess Barbara) was born in Dec 1628 in Seaforth, Aberdeenshire, Scotland; was christened on 3 Dec 1621; died on 23 Jul 1674 in Scotland. [Group Sheet] [Family Chart]