Complex sentence: The Roman Catholic Church of Oirsbeek was built in 1951 on the remains of two older churches: the original church built in 1514 and a second church built in 1830.
Split into simpler sentences: The Roman Catholic Church of Oirsbeek was built in 1951 on the remains of 2 older churches. The original church built in 1514 and a church built in 1830.