Genesis 50:10,11
And they came to the threshing floor of Atad, which is beyond Jordan, and there they mourned with a great and very sore lamentation: and he made a mourning for his father seven days.
Torrey's Topical Textbook—AKJV

2 Samuel 3:31,32
And David said to Joab, and to all the people that were with him, Rend your clothes, and gird you with sackcloth, and mourn before Abner. And king David himself followed the bier.
Torrey's Topical Textbook—AKJV