←
Old English hwæs (inherited)←
Old English hwes (mention)←
Old English hwā (mention)←
Middle English who (mention)←
Middle English whom (mention)←
Proto-Germanic *hwes (inherited)←
Proto-Germanic *hwaz (mention)←
Proto-West Germanic *hwes (inherited)←
Proto-West Germanic *hwaʀ (mention)←
Proto-Indo-European *kʷésyo (inherited)←
Proto-Indo-European *kʷís (mention)→
English whose (inherited)