James and Phoebe Roberts's children:

James Mackenzie Roberts married Phoebe Simson Maria Mason at Brightlingsea, Essex in January 1847. Their children were:

1. James Francis Roberts, born 1847

2. Phoebe Maria Roberts, born 1849

3. Mary Mason Roberts, born 1850

4. William Mackenzie Roberts, born 1852

5. George Witheat Roberts, born 1854

6. Arthur Mason Roberts, born 1855