Bereshis 21:4-6

Orthodox Jewish Bible

⁴ And Avraham circumcised bno Yitzchak at age shemonat yamim, as Elohim had commanded him.

⁵ And Avraham was a hundred years old, when bno Yitzchak was born unto him.

⁶ And she said, Elohim hath brought me tzechok (laughter), so that all that hear yitzchak (will laugh) with me.