John, the oldest son of Peter, has been identified by the middle initial "B" in some accounts, but there is some evidence that his middle name was Crawford. Here is what's known of his family:
| Born | Place | Died | Spouse | Marriage | Notes | |
| John B. Mottice | 1800 | PA | 1878 | link | ||
| Wife: Elizabeth Cachel | 1810 | 1885 | 1828 | |||
| Children: | ||||||
| John Creighton | 1838 | OH | 1906 | Catherine Gross | 1862 | |
| Peter | 1829 | OH | 1857 | |||
| Louisa Jane | 1831 | OH | 1895 | Mr. Griffith | ||
| Abigail | 1833 | OH | 1914 | |||
| Calvin | 1839 | OH | 1857 | |||
| William Henry Harrison | 1841 | OH | 1880 | Nancy Baum | ||
| Milton T. | 1844 | OH | 1889 | |||
| Kinsley | 1845 | OH | 1887 | |||
| Nancy | 1847 | OH | 1881 | |||
| James W. | 1835 | OH | 1899 | Louisa Marker | ||