 The family's ancestor Kimantas was mentioned in the privilege of 1388 issued by Grand Duke of Lithuania Vytautas the Great as "Kymunt".The estate of the family in proximity of Grodno was mentioned in the road description, charted by the Teutonic Knights, as "Kymundsdorf".Kimantas and his son Daukša (Dowkszewicz) were among the signatories of the Union of Vilnius and Radom of 1401.