See also

• Maria PROHASKA's parents: Cyriacus PROHASKA (1873-1934) and Marianna PROCHAZKA (1871-1937)
• Maria PROHASKA's siblings: Mathilde PROHASKA (1896-1980), Leopold PROHASKA (1898-1987), Franz PROHASKA (1900-1903), Elizabeth PROHASKA (1902-1902), Wilhelm PROHASKA (1905-1988), Heinrich PROHASKA (1907-1978), Eduard Josef PROHASKA (1909-1993), Jani Arthur PROHASKA (1911-1994), Franc Josef PROHASKA (1913-1962) and Wilhelmina Kathleen PROHASKA (1916-2008)