knocking on heaven's door

Dying; approaching or very close to death (i.e., about to be admitted into the afterlife). My grandfather fought a good fight against his cancer, but I'm afraid he's knocking on heaven's door now.

Common Names:

Name	Pronounced	Usage
Okeanos	-	Greek Mythology
OtÁVio	-	Portuguese (Brazilian)
Billings	['bliŋz]
Eleftherios	-	Greek
Seraphina	-	English (Rare), German (Rare), Late Roman
Sixte	-	French