וְאַ֨בְרָהָ֔ם בֶּן־תִּשְׁעִ֥ים וָתֵ֖שַׁע שָׁנָ֑ה בְּהִמֹּל֖וֹ בְּשַׂ֥ר עָרְלָתֽוֹ׃
아브라함이 그 양피를 벤 때는 구십구 세이었고
The Midrash of Philo
Why does he say, Abraham was ninety and nine years old when he was circumcised, and Ishmael his son was thirteen years old? (Genesis 17:24).