Nicholas married Bridget Fitzgerald in 1580 in Ireland. Bridget (daughter of Henry Fitzgerald, 12th Earl Of Kildare and Frances Howard, Countess Of Of Kildare) was born about 1590; and died. [Group Sheet] [Family Chart]

1. Mary Barnewall was born about 1618 in Baile Átha Cliath, Dublin, Ireland; died in May 1642 in Alloon, Kildare, Ireland.
2. Mabel Barnewall was born in 1619 in Kingsland, Roscommon, Ireland; died on 1 Feb 1699 in Beggstown, Meath, Ireland; was buried on 4 Feb 1699 in Killeen, Meath, Ireland.
3. Christopher Barnewall was born about 1620 in Turvey, Dublin, Ireland; and died.
4. Eleanor Barnewall was born about 1621 in Turvey, Dublin, Ireland; and died.
5. Patrick Barnewall was born about 1623 in Turvey, Dublin, Ireland; and died.
6. Frances Barnewall was born about 1625 in Of Turvey, Dublin, Irln; and died.
7. Henery Barnewall, 2nd Viscount Barnewall was born about 1627 in Of Turvey, Dublin, Irln.; died on 2 Jun 1688 in Luske, Dublin, Ireland; was buried on 3 Jun 1688 in Luske, Dublin, Irln..
8. Francis Barnewall was born about 1629 in Turvey, Dublin, Ireland; died on 6 Jan 1697 in Beggstown, Meath, Irln; was buried on 7 Jan 1697 in Luske, Dublin, Irln.
9. Matthew Barnewall was born about 1631 in Turvey, Dublin, Ireland; died on 14 Jun 1668.

Francis married Jane Fitzgerald about 1591 in England, Unitd Kingdom. Jane was born about 1570 in England, Unitd Kingdom; and died. [Group Sheet] [Family Chart]