umpuʔum.pun.possd1An older person's umpu is their grandchild, that is, the child of their own children.4.1.9.1Related by birth2A person's umpu is also a niece or nephew removed by one generation.4.1.9.1Related by birthder.ka-umpuwananA person or clan's kya-umpuwanan is their distant ancestors whose exact lineage can not be traced.umpu na dalitayone's great great grandchildid.umpu na bukubukuone's great grandchild