Per TIMATIC, databasen som används av flygbolagen:
Visa required, except for Passengers with a family member residence card issued by Romania. The card must be issued to family members of a national of Switzerland or an EEA Member State. They are visa exempt for a maximum stay of 90 days and must travel with or travel to join the national of Switzerland or EEA Member State. This does not apply to passengers with a different type of residence Permit.
Så om du reser med din fru och bor i max 90 dagar, behöver du inte en visum.
Visa ditt pass- och familjebostadskort vid tysk gränskontroll.