In 1730, Cobbe married Dorothea ( Levinge), Lady Rawdon, a daughter of
Sir Richard Levinge, 1st Baronet and the former Mary Corbin. His wife was the widow of
Sir John Rawdon, of
Moira, County Down, and had two sons by Rawdon:
John, later
Earl of Moira; and Arthur Rawdon. From her marriage to Cobbe, Dorothea bore two more sons before her death while giving birth to their second son: Cobbe was the founder of the prominent
Cobbe family in Ireland and built the ancestral home of
Newbridge outside Dublin between 1747 and 1752. The collection at Newbridge has been documented in
The Cobbe Cabinet of Curiosities: An Anglo-Irish Country House Museum. He died at
St. Sepulchre's, Dublin, on 14 April 1765, and was buried at
Donabate. ==References==