Parallel
Matthew 14:7
Nestle 1904 Greek New Testament · Berean Standard Bible
ὅθεν μεθ’ ὅρκου ὡμολόγησεν αὐτῇ δοῦναι ὃ ἐὰν αἰτήσηται
so much that he promised with an oath to give to her whatever she asked.