Bede

Therefore, Saul said to David: Behold my daughter Merab, etc. Above, where Saul, through the anointing of holy chrism and the governance of the kingdom, holds the type of Christ, we understood the two daughters of Saul to signify the peoples, who, begotten for salvation by faith in Christ and love, are perfected by the chastisement of body and mind; or certainly, the greater to designate the Synagogue, and the lesser, the Church. …

Commentary on Samuel ↗