Peter Reiff was born 15 November 1698 in Salford, Pennsylvania, United States to Johannes Georg Reiff (1660-1726) and Anna Maria Friederika Werblin (1662-1753) and died 16 February 1782 Rockland Township, Pennsylvania, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Peter B. Reiff (1728-1801) | 4 March 1728 Philadelphia, Pennsylvania, United States | 4 September 1801 Wytheville, Virginia, United States | Anna Maria Werblin (1730-1785) |
Siblings
| Name | Birth | Death | Joined with |
| Peter Reiff (1698-1782) | 15 November 1698 Salford, Pennsylvania, United States | 16 February 1782 Rockland Township, Pennsylvania, United States | Margaretha Smith (1691-1758) |