James and Phoebe Mason's children:

James Mason married Phoebe Simson Wilmar Witheat at Dedham on 10 January 1816. Their children were:

1. Phoebe Simson Maria (1819–80)

2. James (1820–57)

3. George Witheat (1822–84)

4. Mary Elizabeth Witheat (1825–51)

5. Sarah (1828)?

6. Helen Witheat (1833–1907)