| Wilhelm Heinrich Quad v.Wickrath | Johanna Anna Maria Judith Quad v.Oberwinter | Otto Walram Quad v.Oberwinter | Johanna Elisabeth Pieck |
| Johann Wilhelm Quad v.Wickrath | Anna Elise Cornelia Quad v.Oberwinter | ||
| Wilhelmina Maria Charlotte Quad v.Wickrath*[n.1671,1718] |