Petrus Nuijens was born 1 February 1804 in Koudekerk aan den Rijn, South Holland, The Netherlands to Franciscus Nuijens (1777-1848) and Maria Moneveld (1776-1833) and died 25 September 1882 Uitgeest, North Holland, The Netherlands of unspecified causes. He married Catharina Nieuwland (1803-1874) 30 October 1825 in De Rijp, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Franciscus Nuijens (1826-1868) | |||
| Petrus Nuijens (1827-1839) | |||
| Cornelis Nuijens (1829-1891) | |||
| Willem Nuijens (1830-1914) | |||
| Maria Nuijens (1834-1902) | |||
| Maria Nuijens (1836-1921) | 5 November 1836 Blokker, North Holland, Netherlands | 22 April 1921 Medemblik, North Holland, The Netherlands | Antonie Steltenpohl (1837-1914) |
| Anna Nuijens (1842-1921) | |||
| Johanna Nuijens (1847-1903) | |||
Siblings
| Name | Birth | Death | Joined with |
| Willem Nuijens (1801-1845) | 1801 Koudekerk aan den Rijn, South Holland, The Netherlands | 28 August 1845 Grootebroek, North Holland, The Netherlands | Maria Grippeling (c1806-1879) |
| Petrus Nuijens (1804-1882) | 1 February 1804 Koudekerk aan den Rijn, South Holland, The Netherlands | 25 September 1882 Uitgeest, North Holland, The Netherlands | Catharina Nieuwland (1803-1874) |
| Andreas Nuijens (1806-1888) | 15 March 1806 Koudekerk aan den Rijn, South Holland, Netherlands | 1 March 1888 Nieuwveen, South Holland, Netherlands | Maria Nijssen (c1805-1838) Catharina Haarselhorst (1810-1841) Johanna de Boer (1803-) |
| Maria Nuijens (1809-) | |||
| Anna Nuijens (1812-1883) | |||
| Cornelia Nuijens (1815-) | |||
| Johannes Nuijens (1817-1888) | |||