Birthe uiga igoa sili: Volatile, Laki, Agavaa, Lē ma vāloia, Gauai. Aumai Birthe uiga o le suafa.
Karth uiga faaiu sili: Laki, Foafoa, Volatile, Agalelei, Fiafia. Aumai Karth uiga o faaiu.
Birthe amataga o le igoa muamua. Danish diminutive of Birgitta. Aumai Birthe amataga o le igoa muamua.
E tusitusiga po o le auala e faalauiloa le igoa muamua Birthe: BEER-te. E faapefea e faalauiloa Birthe.
Igoa tutusa mo Birthe i atunuu ma gagana eseese: Bedelia, Bee, Berit, Biddy, Bidelia, Birgit, Birgitta, Birgitte, Birita, Breda, Breeshey, Bríd, Bride, Bridget, Bridgette, Bridie, Brighid, Brigid, Brigida, Brigit, Brigita, Brigitta, Brigitte, Brígida, Brit, Brita, Britt, Britta, Brygida, Delia, Ffraid, Gitta, Gittan, Piritta, Pirjo, Pirkko, Priita, Riitta. Aumai Birthe i isi gagana.
O le tele o igoa tutusa ai ma faaiu Karth: Genoveva, Lakeisha, Wesley, Denny, Chanda. Aumai Igoa e aumai faatasi Karth.
Ogatasi o Birthe ma Karth o 82%. Aumai Ogatasi o Birthe ma Karth.