Leviticus 18:6

6 “ ‘No one is to approach any close relative to have sexual relations. I am the LORD.

Read Leviticus 18:6 Using Other Translations

None of you shall approach to any that is near of kin to him, to uncover their nakedness: I am the LORD.
"None of you shall approach any one of his close relatives to uncover nakedness. I am the LORD.
“You must never have sexual relations with a close relative, for I am the LORD .