NET

31 For this reason a man will leave his father and mother and will be joined to his wife, and the two will become one flesh.

Darby

31 Because of this a man shall leave his father and mother, and shall be^D8662 united to his wife, and the two shall be one flesh^D8663.

Darby Bible Notes

be - Lit 'to one flesh,' that is, shall become so, and so be accounted. see Note, 1Cor. 6.16. flesh - See Gen. 2.24.

KJV

31 For this cause shall a man leave his father and mother, and shall be joined unto his wife, and they two shall be one flesh.

Strong's

31 For ^G473 this cause^G5127 shall^G2641 a man^G444 leave^G2641 his^G846 father^G3962 and^G2532 mother^G3384, and^G2532 shall be joined^G4347 unto^G4314 his^G846 wife^G1135, and^G2532 they two^G1417 shall be^G2071 one^{G1519 G3391} flesh^G4561.