What Brachah came on Oved Edom?
Rashi (Shmuel II, 6:11, from Brachos 63b): His wife and his eight daughters-in-law, each of them gave birth to six sons at once 1 . "Pe'ulsai ha'Shemini?. Hemah u'Vneihem va'Acheihem? Shishim u'Shenayim 2 " (below, 26:5, 8).
Radak (Shmuel II, 6:11): His sons, daughters and everything of his had a Brachah of children, wealth and increased good in everything, from when the Aron was in his house.
Malbim: He and his entire household sat with it, and not one of them were harmed.
Vilna Gaon: Alternatively, each gave birth twice in each of the three months.
Radak (Shmuel II, 6:11): He had eight previous sons, and now 54 babies were born, making 62 sons and grandsons.


