Mahalath in the Bible

Then went Esau unto Ishmael, and took unto the wives which he had Mahalath the daughter of Ishmael Abraham's son, the sister of Nebajoth, to be his wife.

And Rehoboam took him Mahalath the daughter of Jerimoth the son of David to wife, and Abihail the daughter of Eliab the son of Jesse;

I will give you thanks forever, because you have done it. I will hope in your name, for it is good, in the presence of your saints. For the Chief Musician. To the tune of "Mahalath." A contemplation by David.

{To the chief Musician upon Mahalath, Maschil, A Psalm of David.} The fool hath said in his heart, There is no God. Corrupt are they, and have done abominable iniquity: there is none that doeth good.

{A Song or Psalm for the sons of Korah, to the chief Musician upon Mahalath Leannoth, Maschil of Heman the Ezrahite.} O LORD God of my salvation, I have cried day and night before thee: