Complex sentence: Estudillo married María Victoria Dominguez (c.1799-October 19,1875) in the Presidio of San Diego on March 1,1824, and they had 7 sons and 5 daughters.
Split into simpler sentences: Estudillo married María Victoria Dominguez in the Presidio of San Diego on March 1 1824. She was born c.1799, and they had 7 sons and 5 daughters.