His 4 children are there, 3 tall with red hair, 1 short with black hair, as well as his wife.
“Before I die, tell me,is that my child?”He asks his wife, pointing to the shortest.
“I swear on everything that’s your kid.”The wife replies.
Relieved the father then passes away. Shortly after he passes, his wife mutters “Thank god he didn’t ask about the other three.”
Edit: makes more sense, also some spacing.