Complex sentence: Francisco Pelliza married at the Buenos Aires Metropolitan Cathedral, on September 12,1812, with María de los Santos Fernández, they had a daughter Manuela Pelliza (born in 1812), married Sinforoso Camilo Canaveris on August 17,1826 in Santos Lugares.
Split into simpler sentences: Francisco Pelliza married at the Buenos Aires Metropolitan Cathedral, on September 12,1812, with María de los Santos Fernández, they had a daughter Manuela Pelliza (born in 1812). She married Sinforoso Camilo Canaveris on August 17,1826 in Santos Lugares.