וּכְנַ֗עַן יָלַ֛ד אֶת־צִיד֥וֹן בְּכֹר֖וֹ וְאֶת־חֵֽת׃
Und Kanaan zeugte Zidon, seinen Erstgeborenen, und Heth.
Ibn Ezra
ולשרים And princes. The ל has no meaning as far as I know. Comp. לאבשלום (1 Chr. 3:2), למן (Ex. 9:18).1Comp. Sepher Harikmah, 100:6: ל is used sometimes to indicate the subject; e.g., Is. 31:1; 1 Sam. 15:22; Deut. 24:5; 1 Chr. 29:6; Ezr. 1:5; Gen. 1:15; or the predicate, e.g., 1 Chr. 1:13; 21:12; 2 Chr. 3:12; 5:12; Jer. 30:12, 15.