1 Nephi 16:7
And it came to pass that I, Nephi, took one of the daughters of Ishmael to wife;
and also, my brethren took of the daughters of Ishmael to wife;
and also Zoram took the eldest daughter of Ishmael to wife.
and also, my brethren took of the daughters of Ishmael to wife;
brethren - 21 occurrences in 21 verses - 1 Nephi 16:1, 3, 4, 7, 18, 21, 22, 27, 37, 17:15, 17, 18, 22, 52, 53, 54, 18:4, 9, 15, 18, 19