Complex sentence: José Castro's sister Martina Cota Castro (1807-1890), owner of Rancho Soquel--now part of Soquel, California--married Michael Lodge, and their daughter Carmelita Castro Lodge (1827-1923) married Thomas Fallon in 1850.
Split into simpler sentences: José Castro's sister, Martina Cota Castro (1807-1890), owner of Rancho Soquel which is now part of Soquel, California, married Michael Lodge. Their daughter Carmelita Castro Lodge (1827-1923) married Thomas Fallon in 1850.