NET

11 And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised, so that he would become the father of all those who believe but have never been circumcised, that they too could have righteousness credited to them.

Darby

11 And he received [the] sign of circumcision [as] seal of the righteousness of faith which [he had] be^D8018ing in uncircumcision, that he might be [the] father of all them that believe being in uncircumcision, that righteousness might be reckoned to them also;

Darby Bible Notes

be - 'In order to his being.' It is necessary perhaps to say, 'that he might be' in English; but that is an expression of purpose which goes rather too far. See Note, ch. 1.20.

KJV

11 And he received the sign of circumcision, a seal of the righteousness of the faith which [he had yet] being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:

Strong's

11 And ^G2532 he received^G2983 the sign^G4592 of circumcision^G4061, a seal^G4973 of the righteousness^G1343 of the faith^G4102 which^G3588 he had had yet being^G1722 uncircumcised^G203: that^G1519 he^G846 might be^G1511 the father^G3962 of all^G3956 them that believe^G4100, though^G1223 they be not circumcised^G203; that^G1519 righteousness^G1343 might be imputed^G3049 unto them^G846 also^G2532: