Complex sentence: The "Kristang" are a creole Eurasian ethnic group of people of mixed Portuguese and Malaccan descent based in Malayasia and Singapore, although many people of this group also have Chinese, Indian and other ancestries due to intermarriage, which was common among the Kristang.
Split into simpler sentences: The "Kristang" are a creole Eurasian ethnic group of people of mixed Portuguese and Malaccan descent based in Malayasia and Singapore. Many people of this ethnicity also have Chinese, Indian and other Asian heritage due to intermarriage, which was common among the Kristang.