▁At li ▁the ▁Sl ender ▁( Old ▁Nor se : ▁At li ▁h inn ▁M j ovi ) ▁was ▁a ▁nin th - century ▁Norwegian ▁jar l ▁mentioned ▁in ▁several ▁Old ▁Nor se ▁sources , ▁including ▁He im sk ring la ▁and ▁Eg ils ▁s aga . ▁ ▁At li ▁was ▁the ▁son ▁of ▁H und olf , ▁a ▁jar l ▁of ▁Ga ular ▁in ▁F j ord ane . ▁His ▁sister ▁was ▁Sol vor ▁H und olf sd ott ir , ▁the ▁wife ▁of ▁King ▁Har ald ▁Gold be ard ▁of ▁S ogn . ▁He ▁became ▁friends ▁with ▁King ▁Half dan ▁the ▁Black ▁of ▁V est fold ▁and ▁accompanied ▁him ▁on ▁a ▁number ▁of ▁his ▁exped itions . ▁In ▁particular , ▁At li ▁accompanied ▁Half dan ▁when , ▁following ▁the ▁death ▁of ▁Half dan ' s ▁father ▁in ▁law ▁Har ald ▁Gold be ard ▁and ▁Half dan ' s ▁son ▁Har ald , ▁the ▁V est folder ▁king ▁led ▁an ▁expedition ▁to ▁take ▁possession ▁of ▁S ogn ▁as ▁their ▁he ir . ▁Half dan ▁made ▁At li ▁jar l ▁over ▁all ▁of ▁S ogn . ▁ ▁At li ▁continued ▁to ▁govern ▁S ogn ▁into ▁the ▁reign ▁of ▁Half dan ' s ▁son ▁Har ald ▁Fair h air . ▁He ▁is ▁mentioned ▁in ▁Eg ils ▁s aga ▁in ▁connection ▁with ▁the ▁famous ▁sk ald ▁Ol vir ▁H n uf a , ▁the ▁e pon ym ous ▁Eg ill ' s ▁great - un cle . ▁At ▁a ▁thing ▁in ▁Ga ular , ▁Ol