Who is…
Rachab

Hebrew: רָחָב —transliteration: Rachab —meaning: Rahab —appears in original language of Joshua 2:1-3; Joshua 6:17; 6:23; 6:25

The name Rachab (Rahab) is found in the genealogy of our Lord in Matthew 1:5…

and Salmon the father of Boaz by Rahab, and Boaz the father of Obed by Ruth, and Obed the father of Jesse —ESV

Mary’s genealogy

Mary ← Heli ← Matthat ← Levi ← Melchi ← Janna ← Joseph ← Mattathiah (Mattathias) ← Amos ← Nahum ← Esli ← Naggai ← Maath ← Mattathiah (Mattathias) ← Semei ← Joseph ← Judah ← Joannas (Joanna) ← Rhesa ← Zerubbabel ← Shealtiel ← Neri ← Melchi ← Addi ← Cosam ← Elmodam ← Er ← Jose (Joshua, Jesus) ← Eliezer ← Jorim ← Matthat ← Levi ← Simeon ← Judah ← Joseph ← Jonan ← Eliakim ← Melea ← Menan (Menna) ← Mattathah ← Nathan ← KING DAVID ← Jesse ← Obed ← Boaz (Booz) ← Salmon and Rachab (Rahab) ← Nahshon ← Amminadab ← Ram ← Hezron ← Perez ← Judah ← Jacob ← Isaac ← ABRAHAM ← Terah ← Nahor ← Serug ← Reu ← Peleg ← Eber ← Shelah ← Cainan ← Arphaxad ← Shem ← NOAH ← Lamech ← Methuselah ← Enoch ← Jared ← Mahalalel (Mahalaleel) ← Cainan ← Enosh (Enos) ← Seth ← ADAM (created by God).