| Name | Role | Place | Source | |
|---|---|---|---|---|
| Pyter Olpherts | Father | 1715 | Sneek | Church records baptisms |
| Pyter Olpherts | Curator | 1620 | Het Bildt | Nedergerechten |
| Pyter Olpherts | Father | 1600 | Tietjerksteradeel | Population register |
| Pyter Olpherts | Man | 1648 | Schoterland | DTB Lidmaten |
| Pyter Olpherts | Mention | 1744 | Sneek | Census |
| Pyter Olpherts | Man | 1632 | Wonseradeel | DTB Lidmaten |
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