Ricardo and Frieda married on April, 18, 1936 in Rio de Janeiro, Brazil
Ricardo was born in Germany on November 18, 1909.
Frieda was born in Germany on July 10, 1909.
See the image of the original document at "Brasil, Rio de Janeiro, Registro Civil, 1804-2013", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:X91Q-QK7C : Tue Feb 25 21:15:02 UTC 2025), Entry for Ricardo Jacques Dresdner and Rosa Maria Augusta Dresdner, 18 de abril de 1936.
Sincerely,
Katherine Dresdner