Jeffrey

Supplanter; one who follows

Very popular since the Middle Ages

Eleventh and favorite son of Jacob, by his wife Rachel

From Rycharde, from Richard, from Richardus and Ricohardus, from Rīkahard, from Rīkaharduz, a construction Cognate with t=Richard

Jennifer, also spelled Jenifer or Jenefer, is a feminine given name, the Cornish form of Guinevere, that became popular in the English-speaking world in the 20th century

Latinised short form of compound names ending in -lind, t=tender, soft (English -inda), such as Sieglinde and Dietlinde, and earlier names such as and, from linþaz, whence also t=gentle, mild, pliable, limber

Yahweh is salvation

Anglicized from Raghnall, itself derived from Rǫgnvaldr, from rǫgn + valdr, later partly merged with the Continental Germanic equivalent Reynold