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
Beelzebub	bee-EL-zi-bub (English), BEEL-zi-bub (English)	Biblical
Florin	flo-REEN	Romanian
Danka	-	Serbian, Slovak, Polish
Konstantin	KAWN-stahn-teen (German), kahn-stahn-TEEN (Russian)	German, Hungarian, Russian, Serbian, Bulgarian, Macedonian
Deryn	-	Welsh
Vivian	VIV-ee-ən (English)	English, Swedish, Norwegian, Danish