| Children |
| | 1. William Polkinghorne, c. 3 Feb 1793, Breage, Cornwall, England , d. Yes, date unknown |
| | 2. Joseph Polkinghorne, b. 1795, Breage, Cornwall, England , d. 24 Jul 1858, Willunga, South Australia, Australia  |
| | 3. William Polkinghorne, c. 19 Apr 1802, Breage, Cornwall, England , d. Bef 1881, Cornwall, England  |
| | 4. John Polkinghorne, c. 6 May 1804, Breage, Cornwall, England , d. 24 Feb 1883, Cross Roads nr Moonta, South Australia, Australia  |
| | 5. Charles Polkinghorne, c. 10 Aug 1806, Breage, Cornwall, England , d. Yes, date unknown |
| | 6. Richard Polkinghorne, c. 12 Jun 1808, Breage, Cornwall, England , d. 11 Oct 1874, Willunga, South Australia, Australia  |
| | 7. Isaac Polkinghorne, c. 7 Oct 1810, St Ives, Cornwall, England , d. 26 May 1840, Adelaide, South Australia, Australia  |
| | 8. Thomas Polkinghorne, c. 19 May 1813, Uly Lelant, Cornwall, England , d. 12 Mar 1883, Moonta, South Australia, Australia  |
| | 9. Josiah Polkinghorne, c. 6 Jun 1815, Uly Lelant, Cornwall, England , d. 12 Dec 1890, Moonta, South Australia, Australia  |
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