C. F. Keil and Franz Delitzsch on Job 42:15

Job 42:15 15  And in all the land there were not found women so fair as the daughters of Job: and their father gave them inheritance among their brothers.

On נמצא, followed by the acc., vid., Ges. §143, 1, b. להם, etc., referring to the daughters, is explained from the deficiency in Hebrew in the distinction of the genders. Job 42:15 sounds more Arabian than Israelitish, for the Thora only recognises a daughter as heiress where there are no sons, Num 27:8 The writer is conscious that he is writing an extra-Israelitish pre-Mosaic history. The equal distribution of the property again places before our eyes the pleasing picture of family concord in the commencement of the history; at the same time it implies that Job will not have been wanting in son-in-law for his fair, richly-dowried daughters, - a fact which Job 42:16 establishes: