Lord Frederick, III of Pettendorf-Lengenfeld-Hopfenohe
- Between 1112 and 1119(Notes: You may have to scroll down or right to see chart.)
| Otto, I of Bavaria | |
| B: | 1117 |
| Bavaria, Bayern, Germany | |
| D: | 11 Jul 1183 |
| Pfullendorf, Sigmaringen, Baden-Württemberg, Germany | |
| Agnes of Loon | |
| B: | 1150 |
| D: | 1191 |
| Heilika of Pettendorf-Lengenfeld | |
| B: | Abt 1103 |
| D: | 14 Sep 1170 |
| Otto, IV of Wittelsbach | |
| B: | Abt 1083 |
| D: | 04 Aug 1156 |
| Frederick, III of Pettendorf-Lengenfeld-Hopfenohe | |
| D: | Between 1112 and 1119 |