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
Sraosha	-	Persian Mythology
MelİS	-	Turkish
Jagadish	-	Indian, Kannada, Telugu
Altair	-	Astronomy, Portuguese (Brazilian)
Gunther	GUWN-ter	German
Velibor	-	Serbian, Croatian