| Frederick Clabaugh | ||||
| John Clabaugh | b 1699 | |||
| | b 1732 | Mary | |||
| John Clabaugh, Jr. | d 1790 | |||
| |b 1750 | | | |||
| |d 1830 | ||||
| | | ||||
| Sally Clabaugh | ||||
| |Peter Smitzer | | | Samuel Ferguson | ||
| | | | | |||
| Margaret Ferguson | ||||
| b ABT 1750 1755 | | | |||
| d 1830 | Elizabeth Cumberland | |||
Source: 'Clabo Family Tree', Gardner Clabo, p 8.