Him. Some codices, with Samaritan Pentateuch, Targum of Onkelos, The Targum of Jonathan ben Uzziel Septuagint, Syriac, and Vulgate, read "and Him".
cleave. Compare Joshua 23:8; 2 Kings 17:36.
Related Commentaries of Deuteronomy 10:20
Deuteronomy 10:20
20 Thou shalt fear the LORD thy God; him shalt thou serve, and to him shalt thou cleave, and swear by his name.