Nun

Boyd’s Bible Dictionary:

(fish). Father of Joshua (Ex. 33:11; 1 Chron. 7:27).

Concise Bible Dictionary:

An Ephraimite, father of Joshua, and referred to in scripture only to distinguish his son, who succeeded Moses (Ex. 33:11; Num. 11:28; and more).

Jackson’s Dictionary of Scripture Proper Names:

perpetuity