<prompt> Qedela umusho olandelayo: UManvydas noma uMonwid ; washona ngo-1348? wayeyindodana endala kaGediminas, uMbusi Omkhulu waseLithuania, futhi wathola ifa laseKernavė neSlonim ngemuva kokushona kukayise ngo-1341. Akukho okunye okwaziwayo ngokuphila kwakhe. UMatthias waseNeuenburg wakhuluma ngokuthi amadodana amabili kaGediminas abhubha e  <response>: Impi yaseStrėva ngoFebhuwari 1348. Omunye kwakunguNarimantas kanti omunye kukholakala ukuthi kwakunguManvydas. 