Piers Butler of Duiske

Piers Butler of Duiske, Barrowmount, County Kilkenny (died 1650) was the son of Edward Butler, 1st Viscount Galmoye and Hon. Anne Butler, daughter of Edmund Butler, 2nd Viscount Mountgarret. He gained the rank of Colonel of Dragoons. At Lambstown, County Wexford, he was taken prisoner. He was murdered by Captain William Bolton.

Marriage and issue
He married Hon. Margaret Netterville, the daughter of Nicholas Netterville, 1st Viscount Netterville of Dowth, County Meath. Their children were:
 * Hon. Richard Butler, died without male issue
 * Frances Butler, married Hervey Morres, grandfather of Hervey Morres, 1st Viscount Mountmorres
 * Edward Butler, 2nd Viscount Galmoye (b. circa 1627, d. after 24 Oct 1667)
 * Nicholas Butler (d. 1653)
 * James Butler (d. 1678)
 * Major Edmond Butler of Killoshulan (d. 12 Jul 1691)
 * Jane Butler
 * Mary Butler
 * Elizabeth Grace
 * Margaret Grace
 * Eleanor Butler, married to William Grace, Esq., of Ballylinch