Complex sentence: In 1832 Fray Antonio worked among them until 1836 when he was replaced by Fray Rubio from Bacalar in Yucatan, who built in Mullins River in 1837 the first Catholic church in modern Belize.
Split into simpler sentences: In 1832 Fray Antonio worked among them until 1836 when he was replaced by Fray Rubio from Bacalar in Yucatan. He built in Mullins River in 1837 the first Catholic church in modern Belize.