Isaac Pask was born c1705, although it is not sure where he was born, and who he married. He lived in Cwmcarvan and Llanvihangel-ystern-Llewern, Monmouthshire. Little is known about him, except that he had two sons, Isaac (1715), and William (1732). He has 900+ descendants.

This family is taking part in the Pask DNA Study.