See also
| Husband: | Johannes of CLEVES (c. 785- ) | |
| Wife: | Constantia ( - ) | |
| Children: | Baudouin I of CLEVES (c. 810- ) | |
| Name: | Johannes of CLEVES | |
| Sex: | Male | |
| Father: | Reinhold of CLEVES (c. 760- ) | |
| Mother: | Isabella von ARDENNER-WALDE ( - ) | |
| Birth | c. 0785 | Genderen, Aalburg, North Brabant, Netherlands |
| Occupation | Graf von Kleve | |
| Name: | Constantia | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Name: | Baudouin I of CLEVES | |
| Sex: | Male | |
| Birth | c. 0810 | |
| Occupation | Count of Cleves | |