Pieter van Loon was born 1607 to Hans van Loon (1577-1658) and Anna Ruychaver (1573-1649) and died 1679 of unspecified causes. He married Anna van Foreest (1609-1654) .
Children
| Name | Birth | Death | Joined with |
| Anna van Loon (1634-?) | |||
| Nanningh van Loon (1637-?) | |||
| Nannink van Loon (1638) | |||
| Pieter van Loon (1641-1727) | |||
| Alid van Loon (1645) | |||
| Maarten van Loon (1647-1723) | |||