[9][10] As a child he was a ward of Donough MacCarty, 2nd Viscount Muskerry, his maternal uncle.
Muskerry made Ross Castle, which belonged to Browne, his last stand against Cromwell's General Edmund Ludlow, surrendered on 27 June 1652[12] and went into exile.
[24] Sir Valentine commanded a regiment in the Irish army and seems to have been taken prisoner at the Battle of Aughrim in 1691.
The peerage remained on the Irish patent roll in a constitutionally ambiguous position, but was not recognized by the Protestant political establishment.
[26] The 1st Viscount Kenmare wrote in his will that he wanted to be buried in "some decent Catholic church, monastery, abbey, or graveyard".