- Father: Johann Cristoph HOYER
- Birth: 1824, Sankt Petersburg, Rusland
- Death: 26 Jan 1894, Bremen, Duitsland
- Partnership with: Johann Ludwig Baron KNOOP
Marriage: 1843
- Child: Louise KNOOP Birth: 9 Apr 1844, Moskou, Rusland
- Child: Johann Ludwig Baron KNOOP Birth: 22 Jul 1846, Moskou, Rusland
- Child: Theodor Julius KNOOP Birth: 17 Aug 1848, Moskou, Rusland
- Child: Adele Mathilde KNOOP Birth: 23 Mar 1853, Moskou, Rusland
- Child: Andreas Johann KNOOP Birth: 4 May 1855, Moskou, Rusland
- Child: Emilie Anna KNOOP Birth: 11 Feb 1858, Moskou, Rusland
Ancestors of Louise Mathilde HOYER
/-Johann Cristoph HOYER
Louise Mathilde HOYER
Descendants of Louise Mathilde HOYER
1 Louise Mathilde HOYER
=Johann Ludwig Baron KNOOP Marriage: 1843
2 Louise KNOOP
2 Johann Ludwig Baron KNOOP
=Margarethe A. KERN Marriage: 22 Sep 1874, Mühlental, Duitsland
3 Marie Louise KNOOP
3 Johann Ludwig KNOOP
=Emily Sargent
3 Ludwig Von KNOOP
2 Theodor Julius KNOOP
2 Adele Mathilde KNOOP
2 Andreas Johann KNOOP
2 Emilie Anna KNOOP