Remarks:
Supporter of William of Orange,
captured at Loughrea, 1st Mar 1689 [using [NJ] date format, note that at the time this was regarded as the end of 1688], imprisoned at Galway, believed to have started writing down family tree in prison,
transferred to prison in Dublin after 14 months (May 1690), finally released after Battle of the Boyne July 1690,
finally produced first Blennerhassett family tree c.1737, known as "Black Jack's Book",