Eithne ingen Cerbaill Ossery princess and wife of Orkney Jarl Parents Cerball mac Dúnlainge Children Sigurd the Stout Siblings Cellach mac Cerbaill Diarmait mac Cerbaill Rafertach ingen Cearbhaill Mór ingen Cearbhaill Fridgerd Kjarvalsdotter Partners Hlodvir Thorfinnsson