For it sufficeth me to say that we are descendants of Joseph.

for - 29 occurrences in 24 verses - 1 Nephi 6:1, 2, 3, 4,   7:1, 8, 11, 12, 13, 14, 15, 16, 21,   8:3, 4, 8, 12, 34, 36,   9:2, 3, 4, 5, 6

for it - 2 occurrences in 2 verses - 1 Nephi 6:1, 2