Wolfgang Helck points out that Khentkaus I could have been the mother of Thamphthis , so Thamphthis would have been the son of king Shepseskaf .
Head entity: thamphthis Q204252 13 16
Tail entity: shepseskaf Q220252 24
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22