Solve this simple case

Solve this simple case.

A man was found murdered on 26.01.1976 afternoon.

1) His wife called the police

2) Police questioned everyone.

3) Wife : Sir, I was sleeping when the murder took place

4) Cook : I was cooking

5) Gardener : I was weeding

6) House maid : I went to the post office

7) Children : We went to play

8) Neighbours : We went to the marriage.

Police arrested the murderer immediately.

Who is it? Reply if u r brilliant..........