Fergus William R. b 15 March 1987 reg Q1 London s of William Michael YOUNG-HERRIES of SPOTTES, head of that Scots gentry family, and Amanda Jane Deirdre McILWAIN d of J C Fraser SMYTH of Kiltierney House, Kesh, co Fermanagh, and Mrs Clare McILWAIN of 14 Chipstead St, London SW6. He m 2016 Rosanna Cortlandt b 1988 d of Charles Francis CATOR 1959-2015, scion of that gentry family of Woodbastwick, and of the LP Baron BUCKTON 1896-1978 and of the STOREY Bts cr 1960, and Jane d of Robert CULVERWELL and widow of William J Russell. Their other daus Isobel Jacquetta b 8 Dec 2018 and Ophelia (Effie) Rose b 8 Jan 2021.