Franz was born about 1943, the son of unknown parents. The place is not known.
His wife was Maria of Russia, who he married in 1976 in Dinard, , France. Their only known child was George (1981-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1943 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | Prince |