Graziella Álvares Pereira de Melo was born 20 October 1929 in Pau, Pyrénées-Atlantiques, Nouvelle-Aquitaine, France to António Álvares Pereira de Melo (1894-1939) and Olga Nicolis de Robilant (1900-1996) and died 25 July 1998 Freguesia of Muge, Salvaterra de Magos, Santarém District, Alentejo, Portugal of unspecified causes. She married Karl von Schönborn-Wiesentheid (1916-1998) 14 June 1953 in Freguesia of Muge, Salvaterra de Magos, Santarém District, Alentejo, Portugal.
Children
| Name | Birth | Death | Joined with |
| Filipp von Schönborn-Wiesentheid (1954-) | 24 June 1954 Würzburg, Bavaria, Germany | Béatrice de Castellane (1961-) Virginie Jeanne Poidevin (1969-) | |
| Teresa von Schönborn-Wiesentheid (1955-) | 7 September 1955 Würzburg, Bavaria, Germany | ||
| Maria Johanna von Schönborn-Wiesentheid (1958-) | 23 July 1958 Würzburg, Bavaria, Germany | Johann-Friedrich zu Castell-Rüdenhausen (1948-2014) | |
| Paul von Schönborn-Wiesentheid (1962-) | 15 May 1962 Lisbon, Portugal | Damiana Lovatelli (1961-) | |
Siblings
| Name | Birth | Death | Joined with |
| Olga Álvares Pereira de Melo (1928-1951) | 16 October 1928 Turin, Piedmont, Italy | 28 September 1951 Sintra, Lisbon District, Lisbon Region, Portugal | |
| Graziella Álvares Pereira de Melo (1929-1998) | 20 October 1929 Pau, Pyrénées-Atlantiques, Nouvelle-Aquitaine, France | 25 July 1998 Freguesia of Muge, Salvaterra de Magos, Santarém District, Alentejo, Portugal | Karl von Schönborn-Wiesentheid (1916-1998) |