Complex sentence: From 1677 to 1686, the "Slot Zeist" was built on or near the ruins of "Kasteel Zeist", the original castle (donjon) of Rodgar van Zeist.
Split into simpler sentences: From 1677 to 1686, the "Slot Zeist" was built. It was built on or near the ruins of "Kasteel Zeist", the original castle (donjon) of Rodgar van Zeist.