Gradus Petrus KNOOP
- Father: Johannes Lambertus KNOOP
- Mother: Willemina MORÉE
- Birth: ABT 1847
- Death: 24 May 1927, Dichteren, Gelderland, Nederland
- Partnership with: Aleida Berendina BEIJER
Marriage: 12 Feb 1873, Bergh, Gelderland, Nederland
- Child: Albertus Stephanus KNOOP Birth: ABT 1876
Ancestors of Gradus Petrus KNOOP
/-Arnoldus KNOOP /-Johannes Lambertus KNOOP | \-Theodora BEEK van Gradus Petrus KNOOP \-Willemina MORÉE
Descendants of Gradus Petrus KNOOP
1 Gradus Petrus KNOOP =Aleida Berendina BEIJER Marriage: 12 Feb 1873, Bergh, Gelderland, Nederland 2 Albertus Stephanus KNOOP =Johanna Bertha ELBERS Marriage: 12 Jul 1900, Bergh, Gelderland, Nederland 3 Wilhelmus Gerhardus KNOOP