If you have information about this name, share it in the comments area below!
Books about Belasyse:
In well beware: The story of Newburgh Priory and the Belasyse family, 1145-1977 by Geoffrey Ridsdill Smith (1978)
Wiki information Belasyse:
John Belasyse, 1st Baron Belasyse PC was an English nobleman, soldier and Member of Parliament, notable for his role during and after the English Civil War. He suffered a long spell of imprisonment during the Popish Plot.
Anthony Belasyse, also Bellasis, Bellows and Bellowsesse was an English churchman and jurist, archdeacon of Colchester from 1543.