Researchers revealed that the Mercado-Rizal family had also traces of Japanese, Spanish, Malay and Even Negrito blood aside from Chinese.
Jose Rizal came from a 13-member family consisting of his parents, Francisco Mercado II and Teodora Alonso Realonda, and nine sisters and one brother.
He was born to Francisco Engracio Rizal Mercado y Alejandro (1818–1897)[15] and Teodora Morales Alonso y Quintos (1827-1911; whose family later changed their surname to "Realonda"),[16] who were both prosperous farmers that were granted lease of a hacienda and an accompanying rice farm by theDominicans. Rizal was the seventh child of their eleven children namely: Saturina (Neneng) (1850–1913), Paciano (1851–1930), Narcisa (Sisa) (1852–1939), Olympia (1855–1887), Lucia (1857–1919), María (Biang) (1859–1945), José Protasio (1861–1896), Concepción (Concha) (1862–1865), Josefa (Panggoy) (1865–1945), Trinidad (Trining) (1868–1951) and Soledad (Choleng) (1870–1929).
Rizal was a 5th-generation patrilineal descendant of Domingo Lam-co traditional Chinese: 柯儀南; simplified Chinese: 柯仪南; pinyin: Kē Yínán; Pe̍h-ōe-jī: Kho Gî-lâm, a Chinese immigrant entrepreneur who sailed to the Philippines from Jinjiang, Quanzhou in the mid-17th century.[17] Lam-co married Inez de la Rosa, a Sangley of Luzon.[18]
José Rizal also had Spanish and Japanese ancestors. His grandfather and father of Teodora was a half Spaniard engineer named Lorenzo Alberto Alonzo.[19] His maternal great-great-grandfather was Eugenio Ursua, a descendant of Japanese settlers.
In 1849, then Governor-General of the Philippines Narciso Clavería, issued a Decree by which native Filipino and immigrant families were to adopt Spanish