▁ 1 8 9 4 ▁at ▁St . ▁Paul ' s ▁Church , ▁Kn ights bridge . ▁ ▁They ▁had ▁five ▁children : ▁Lady ▁Mary ▁Cec ilia ▁Rh odes ia ▁Hamilton ▁( 1 8 9 6 – 1 9 8 4 ), ▁who ▁married ▁twice , ▁first ly ▁in ▁ 1 9 1 7 ▁Capt / M aj . ▁Robert ▁Or lando ▁Rud olph ▁Ken y on - S lan ey ▁( 1 8 9 2 – 1 9 6 5 ), ▁with ▁whom ▁she ▁divor ced ▁in ▁ 1 9 3 0 , ▁and ▁second ly , ▁in ▁ 1 9 3 0 , ▁to ▁Sir ▁John ▁Gil m our , ▁ 2 nd ▁Baron et . ▁With ▁her ▁first ▁husband ▁she ▁had ▁two ▁sons ▁and ▁a ▁daughter , ▁and ▁with ▁her ▁second ▁husband ▁one ▁son . ▁Lady ▁C yn th ia ▁El in or ▁Beat rix ▁Hamilton ▁( 1 8 9 7 – 1 9 7 2 ), ▁who ▁married ▁in ▁ 1 9 1 9 ▁to ▁Albert ▁Edward ▁John ▁Sp encer , ▁ 7 th ▁Earl ▁Sp encer ▁( 1 8 9 2 – 1 9 7 5 ). ▁They ▁had ▁a ▁son ▁and ▁two ▁daughters . ▁By ▁their ▁son ▁they ▁became ▁grand par ents ▁of ▁D iana , ▁Princess ▁of ▁Wales . ▁Lady ▁K atherine ▁Hamilton ▁( 1 9 0 0 – 1 9 8 5 ), ▁who ▁married ▁in ▁ 1 9 3 0 ▁L t - Col . ▁Sir ▁Regin ald ▁Henry ▁Se ym our ▁( 1