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Joao Frederico Osorio Mayer Carvalho, de

Joao Frederico Osorio Mayer's father is Joao Frederico Mayer Carvalho, de and his mother is Maria Joana de Melo Osorio de Menezes Pita. His maternal grandfather was Joao Filipe de Melo Osorio de Menezes Pita and his maternal grandmother is Maria Teresa da Franca de Horta Machado. He has four sisters named Ana Osorio Mayer, Teresa Osorio Mayer, Joana Osorio Mayer and Vera Osorio Mayer.

Ancestor Pedigree Chart
- Joao Frederico Mayer Carvalho, de
  
  Joao Frederico Osorio Mayer Carvalho, de
  
  Joao Filipe de Melo Osorio de Menezes Pita
  - b.1896 in Lisbon d.1971 in Lisbon
  
  Maria Joana de Melo Osorio de Menezes Pita
  
  Antonio da Franca de Horta Machado
  - b.1861 in Roma d.1929 in Coimbra
  
  Maria Teresa da Franca de Horta Machado
  
  Nuno Mendoca, de
  - b.1804 d.1875
  
  Augusto de Mendoca Rolim de Moura Barreto
  - b.1835 in Lisbon d.1914 in Lisbon
  
  Ana Braganca, de ^*
  - b.1806 in Mafra d.1857 in Roma
  
  Maria Margarida Mendoca, de
  - b.1865 in Lisbon d.1933 in Moncorvo
  
  Maria da Assuncao Ferreira
  - b.1842 d.1905 in Paris
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)