Complex sentence: Her marriage to Alfonso Soler on December 26,1912, at age 23 is recorded by a certificate on December 28 of that year and they are found together in the January 1920 census when she was 30 and they lived in Arecibo.
Split into simpler sentences: Her marriage to Alfonso Soler on December 26,1912, at age 23 is recorded by a certificate on December 28,1912. They were found together in the January 1920 census when she was 30 and they lived in Arecibo.