וְאֶלְעָזָ֨ר בֶּֽן־אַהֲרֹ֜ן לָקַֽח־ל֨וֹ מִבְּנ֤וֹת פּֽוּטִיאֵל֙ ל֣וֹ לְאִשָּׁ֔ה וַתֵּ֥לֶד ל֖וֹ אֶת־פִּֽינְחָ֑ס אֵ֗לֶּה רָאשֵׁ֛י אֲב֥וֹת הַלְוִיִּ֖ם לְמִשְׁפְּחֹתָֽם׃
И Елеазар Аарон'сын взял его одну из дочерей Путила к жене; и она родила ему Финееса. Это головы отцов'дома левитов по словам их семей.
Rashi
מבנות פוטיאל ONE OF THE DAUGHTERS OF PUTIEL — of the family of Jethro (cf. Rashi on Exodus 4:18) who used to fatten (פטם) calves for idolatrous sacrifice, and of the family of Joseph who overcame (פטפט, who talked or argued with) his passion (Sotah 43a; Bava Batra 109b).
Chizkuni
מבנות פוטיאל, of the daughters of Putiel; she is mentioned by name because of her son Pinchas who was granted the hereditary priesthood forever (Numbers 25,11; see also Ibn Ezra here).
Sforno
אלה ראשי אבות, just to tell us that Moses and Aaron were the respective heads of the Levites.