KJV
Mark 11:26 But if ye do not forgive, neither will your Father which is in heaven forgive your trespasses.

NAB
Mark 11:26 )

NIV
Mark 11:25 And when you stand praying, if you hold anything against anyone, forgive him, so that your Father in heaven may forgive you your sins." 26

NKJ
Mark 11:26 "But if you do not forgive, neither will your Father in heaven forgive your trespasses."

NLT
Mark 11:25 But when you are praying, first forgive anyone you are holding a grudge against, so that your Father in heaven will forgive your sins, too. " 26

RSV
Mark 11:26