1. Paoluccio Formosa, married 1630 Matrice Gozo to
Maria Xiberras, with issue.
1.1. Giuseppe Formosa, married 1656 Matrice Gozo to Caterina Mizzi, with issue.
1.1.1. Andrea Formosa, married 1677 Valletta to Marietta Bugeja, with issue.
1.1.1.1. Rosa Formosa, married 1702 Valletta to Gio Maria Gatt.
1.1.2. Clemente Formosa, married 1710 Matrice Gozo to Vincenza Formosa, (See on this page), with issue.
1.1.2.1. Giovanni Formosa, married 1742 Vittoriosa to Maria Xiberras, with issue.
1.1.2.1.1. Francesco Formosa, married 1771 Mqabba to Antonia Bardon, with issue.
1.1.2.1.1.1. Nicola Formosa, married 1803 Qrendi to Grazia Borg, with issue.
1.1.2.1.1.1.1. Paolo Formosa, married 1837 Valletta to Maria Vassallo, with issue.
1.1.2.1.1.1.1.1. Carmela Formosa, married 1876 Valletta to Anthony Coster of England.
1.1.2.1.1.1.1.2. Rosina Formosa, married 1859 Valletta to Giovanni Manche.
1.1.2.1.1.1.1.3. Grazia Formosa, married 1868 Valletta to Jesse Stetow of England.
1.1.2.1.1.1.2. Antonio Formosa, married 1830 Cospicua to Maddalena Formosa, (see below).
1.1.2.1.1.2. Aloisio Formosa, married 1803 Qrendi to Teodora Farrugia, with issue.
1.1.2.1.1.2.1. Gaetano Formosa, married 1847 Qrendi to Rosaria Farrugia, with issue.
1.1.2.1.1.2.1.1. Aloisio Formosa, married 1871 Qrendi to Angela Magro.
1.1.2.1.1.2.2. Maria Formosa, married 1832 Qrendi to Giuseppe Mizzi.
1.1.2.1.1.3. Innocenzo Vincenzo Formosa, married 1809 Zurrieq to Anna Ellul, with issue.
1.1.2.1.1.3.1. Maria Formosa, married 1843 Zurrieq to Giuseppe Caruana.
1.1.2.1.1.4. Maria Anna Formosa, married 1818 Qrendi to Grazio Zammit.
1.1.2.1.1.5. Filippo Formosa, married 1801 Qrendi to Grazia Pace, with issue.
1.1.2.1.1.5.1. Lorenzo Formosa, married (1) 1847 Senglea to Anna Azzopardi, married (2) 1848 Cospicua to Maria Anna Busuttil, with issue.
1.1.2.1.1.5.1.1. (Second marriage) Giuseppe Formosa, married 1871 Cospicua to Maria Debono, with issue.
1.1.2.1.1.5.1.1.1. Maria Grazia Formosa, married 1892 Cospicua to Giovanni Attard.
1.1.2.1.1.5.1.1.2. Maria Carmela Formosa, married 1897 Cospicua to Francesco Pace.
1.1.2.1.1.5.2. Francesco Formosa, married 1841 Cospicua to Giuseppa Scannura.
1.1.2.1.1.5.3. Antonia Formosa, married 1838 Cospicua to Giuseppe Cutajar.
1.1.2.1.1.5.4. Raffaela Formosa, married 1849 Cospicua to Vincenzo Grech.
1.1.2.1.1.5.5. Maria Formosa, married 1855 Cospicua to Giuseppe Zammit.
1.1.3. Gio Maria Formosa, married 1729 Matrice Gozo to Maria Pace, with issue.
1.1.3.1. Giuseppe Formosa, married 1786 Matrice Gozo to Maria de Manueli, with issue.
1.1.3.2. Angela Formosa, married 1763 to Pietro Attard.
1.1.3.3. Grazia Formosa, married 1756 Zebbug Gozo to
Michele Zahra.
1.2. Arcangelo Formosa, married 1662 Matrice Gozo to Maruzza Mongibino, with issue.
1.3. Antonia Formosa, married 1660 Matrice Gozo to Francesco Galea.
1.4. Alessandro Formosa, married 1666 (
Notary Tomaso Debono) to
Speranza Cauchi, with issue.
1.4.1. Gio Battista Formosa, married 1724 Valletta to Clemenza Cassar, with issue.
1.4.1.1. Giuseppe Formosa, married 1754 Gharb, Gozo to Maria Pace, with issue.
1.4.1.1.1. Giovanni Formosa, married 1780 Rabat Gozo to Angela Bugeja, with issue.
1.4.1.1.1.1. Giuseppe Formosa, married 1810 Gharb Gozo to Maria Galea, with issue.
1.4.1.1.1.1.1. Carmelo Formosa, married 1866 Birkirkara to Filomena Caruana, with issue.
1.4.1.1.1.1.1.1. Fortunata Formosa, married 1897 Floriana to Vincenzo Zammit Tabona.
1.4.1.1.1.1.1.2. Aloisio Formosa, married to Vincenza Attard, with issue.
1.4.1.1.1.1.1.2.1. Maria Gatt, (1913-2001), married to Giuseppe Gatt.
1.4.1.1.1.1.1.2.2. Francis Xavier Formosa, married to Carmela Vinci, with issue.
1.4.1.1.1.1.1.2.2.1. Peter Formosa, (1954-.
1.4.1.1.1.1.1.2.2.2. John Formosa, (1955-.
1.4.1.1.1.1.1.2.2.3. Eugenie Formosa, (1958-.
1.4.1.1.1.1.1.2.2.4. Mark Formosa, (1960-.
1.4.1.1.1.1.1.2.3. Giovanni Formosa.
1.4.1.1.1.1.1.2.4. Carmelo Formosa.
1.4.1.1.1.1.1.2.5. Phyllis Formosa, (1920-2015), married to Mario Bonello.
1.4.1.1.1.1.1.3. Cecilia Formosa, married 1887 Floriana to Guglielmo Ellul Belizzi.
1.4.1.1.1.1.2. Michele Formosa, married 1831 Birkirkara to Elena Catania.
1.4.1.1.1.1.3. Aloisio Formosa, married 1843 Valletta to Sapienza Cuschieri.
1.4.1.1.1.1.4. Concetta Anna Formosa, (1813-.
1.4.1.1.1.1.5. Anna Maria Formosa, (1814-.
1.4.1.1.1.1.6. Maria Concetta Formosa, (1817-.
1.4.1.1.1.1.7. Carmela Formosa, (1817-.
1.4.1.1.1.1.8. Gaetana Formosa, (1817-1820), d.inf.
1.4.1.1.1.1.9. Giuseppe Formosa, (1820 -.
1.4.1.1.1.1.10. Giovanna Formosa, (1822-1829), dunm.
1.4.1.1.1.1.11. Carmela Formosa, (1829-1842).
1.4.1.1.1.2. Maria Formosa, married 1815 Gharb Gozo to Gabriele Farrugia.
2. Giacomo Formosa, married 1633 Matrice Gozo to Domenica Veronica Mizzi, (See above), with issue.
2.1. Gio Paolo Formosa, married 1669 Matrice Gozo to Gioannella Mizzi.
2.2. Carlo Formosa, married 1663 Matrice Gozo to Veronica Mintuf.
2.3. Giovanni Formosa, married 1672 to
Maruzza Abela, with issue.
2.3.1. Guilio Formosa, married 1699 Matrice Gozo to Flaminea Vella.
2.3.2. Ignazio Formosa, married 1705 Matrice Gozo to Rosa Zammit., with issue.
2.3.2.1. Saverio Formosa, married 1740 Matrice Gozo to
Maria Mizzi, with issue.
2.3.2.1.2. Adeodata Formosa, married 1774 Rabat Gozo to
Giuliano Mizzi.
2.3.2.1.3. Mro Giuseppe Formosa, married 1809 Xaghra Gozo to Maria Rapa.