'United In Love' in the Bible

The nations of which the Lord had said to the children of Israel, You are not to take wives from them and they are not to take wives from you; or they will certainly make you go after their gods: to these Solomon was united in love.

that their hearts may be comforted, being united in love, and to all riches of the full assurance of the understanding, to the full knowledge of the secret of the God and Father, and of the Christ,