The fourth baronet married Lady Anne, daughter of Alexander Hume-Campbell, 2nd Earl of Marchmont.
Their grandson, the sixth baronet, assumed the additional surnames of Hume and Campbell.
The latter's son, the seventh baronet, assumed the additional surname of Home.
The title became extinct on the death of the eighth Baronet in 1960.
Helen Purves-Hume-Campbell, daughter of the seventh baronet, married Sir George Warrender, 7th Baronet and was the mother of Vice-Admiral Sir George Warrender, 7th Baronet and grandmother of Victor Warrender, 1st Baron Bruntisfield.