▁F arn ham ▁in ▁Ham pshire . ▁ ▁Lord ▁Mal mes bury ▁married ▁first ly , ▁the ▁Hon ou rable ▁D iana ▁Car leton ▁( 1 9 1 2 – 1 9 9 0 ), ▁daughter ▁of ▁D ud ley ▁Car leton , ▁ 2 nd ▁Baron ▁Dor chester , ▁on ▁ 7 ▁July ▁ 1 9 3 2 . ▁They ▁had ▁three ▁children : , ▁ ▁Lady ▁Syl via ▁Ver onica ▁An the a ▁Harris ▁( b . ▁ 1 7 ▁May ▁ 1 9 3 4 ), ▁married ▁John ▁M alt by , ▁son ▁of ▁Air ▁Vice ▁Marsh al ▁Sir ▁Paul ▁Cop eland ▁M alt by , ▁and ▁had ▁issue . ▁Lady ▁Nell ▁Car leton ▁Harris ▁( b . ▁ 3 ▁July ▁ 1 9 3 7 ), ▁married ▁Captain ▁Michael ▁Bo yle , ▁desc endant ▁of ▁Henry ▁Bo yle , ▁ 5 th ▁Earl ▁of ▁Sh annon ▁and ▁William ▁Edmund ▁Cr ado ck - H art opp , ▁ 3 rd ▁Baron et , ▁High ▁Sher iff ▁of ▁War wick shire , ▁and ▁had ▁issue . ▁James ▁Harris , ▁ 7 th ▁Earl ▁of ▁Mal mes bury ▁( b . ▁ 1 9 ▁June ▁ 1 9 4 6 ), ▁married ▁S ally ▁Ann ▁R yc ro ft , ▁daughter ▁of ▁Sir ▁Richard ▁Newton ▁R yc ro ft , ▁ 7 th ▁Baron et , ▁and ▁had ▁issue . ▁ ▁He ▁married ▁second ly , ▁Margaret ▁Campbell - Pr eston ▁( d . ▁ 1 9 9 4 ) ▁in