Peter Challis was born 1863 in Staines-upon-Thames, Middlesex, England, United Kingdom to William Challis (1825-1909) and Jane Bellenie (c1829-) and died 1904 Basingstoke, England, United Kingdom of unspecified causes. He married Jane Gibbons (c1865-1887) 1885 in Basingstoke, Hampshire, England, United Kingdom. He married Emily Bushnell (c1858-1897) 1887 in Basingstoke, Hampshire, England, United Kingdom. He married Alice Wyatt (c1873-) 1898 in Basingstoke, Hampshire, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Rose Jane Challis (1886-) | |||
| Name | Birth | Death | Joined with |
| Florence Maria Challis (1888-) | |||
| Name | Birth | Death | Joined with |
| Raymond William Challis (1899-1972) | 1899 Basingstoke, Hampshire, England, United Kingdom | 1972 Winchester, England, United Kingdom | Elsie E Fox |
| Ambrose James Challis (1901-1962) | 1901 Basingstoke, Hampshire, England, United Kingdom | 1962 Southampton, England, United Kingdom | Nora Helen Hammett (1900-1970) |
| Theodora Alexandra Challis (1902-1979) | 1902 Basingstoke, Hampshire, England, United Kingdom | 1979 Southampton, England, United Kingdom | Vincent William John Gould (1897-1990) |