0 3 ▁Arch ib ald ▁Kennedy , ▁Earl ▁of ▁Cass ilis ▁( 1 8 7 2 – 1 9 4 3 ), ▁who ▁succeeded ▁in ▁ 1 9 3 8 ▁as ▁Mar qu ess ▁of ▁A ils a . ▁They ▁left ▁no ▁children . ▁Sus anna ▁Mary ▁Mc Tag gart - Ste wart ▁( 1 8 7 8 – 1 9 6 1 ), ▁married ▁first ▁in ▁ 1 9 0 1 ▁Arch ib ald ▁Patrick ▁Thomas ▁B orth wick , ▁ 2 0 th ▁Lord ▁B orth wick ▁( 1 8 6 7 – 1 9 1 0 ), ▁and ▁second ly ▁in ▁ 1 9 1 6 ▁Alfred ▁Fitz Ro y , ▁ 8 th ▁Duke ▁of ▁G raft on , ▁leaving ▁daughters ▁by ▁both ▁hus b ands . ▁Margaret ▁Anna ▁Mc Tag gart - Ste wart ▁( 1 8 8 0 – 1 9 6 2 ), ▁married ▁in ▁ 1 9 0 6 ▁( div . ▁ 1 9 1 9 ) ▁Sir ▁David ▁Charles ▁Herbert ▁Dal ry m ple , ▁ 2 nd ▁baron et ▁( 1 8 7 9 – 1 9 3 2 ), ▁and ▁had ▁children . ▁Edward ▁Or de ▁Mc Tag gart - Ste wart ▁( 1 8 8 3 – 1 9 4 8 ), ▁who ▁succeeded ▁as ▁ 2 nd ▁and ▁last ▁Baron et , ▁leaving ▁two ▁daughters ▁by ▁his ▁wife ▁married ▁in ▁ 1 9 1 7 ▁ ▁Hon . ▁Margaret ▁Sel ina ▁Flora ▁Ma ud ▁Cl if ton - H