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Cognomen Tumwamini (Tumwamini ) , in the world, is an extremely rare surname. Much more frequently, Tumwamini is the forename as well as the last name.
Siha, Mbangala, Ndendya, Kivamba, Sinaida, Mhepela, Mbogela, Wilijamson, Wikedzi, Kibiki, Sasami, Mponzi, Mligo, Mkane, Msigwa, Kihwele, and Ulambale