From up to down
藤原光長
Fujiwara Mitsunaga
西村豊後?政重
Nishimura Bungo? Masashige
(I can't decipher the fifth kanji. It usually should be 守. 豊後守[Bungo no kami] means "Governor of Bungo Province", but this is a kind of fake title. It doesn't refer to a real governor.)
藤原重義
Fujiwara Shigeyoshi
藤原光永
Fujiwara Mitsunaga