Numbers 8:11

And Aaron
<0175>

shall offer
<05130> (8689)

the Levites
<03881>

before
<06440>

the LORD
<03068>

[for] an offering
<08573>

of the children
<01121>

of Israel
<03478>_,

that they may execute
<05647> (8800)

the service
<05656>

of the LORD
<03068>_.

{offer: Heb. wave} {offering: Heb. wave offering} {they...: Heb. they may be to execute, etc}

Numbers 8:13

And thou shalt set
<05975> (8689)

the Levites
<03881>

before
<06440>

Aaron
<0175>_,

and before
<06440>

his sons
<01121>_,

and offer
<05130> (8689)

them [for] an offering
<08573>

unto the LORD
<03068>_.

And I, behold, I have taken
<03947> (8804)

the Levites
<03881>

from among
<08432>

the children
<01121>

of Israel
<03478>

instead of all the firstborn
<01060>

that openeth
<06363>

the matrix
<07358>

among the children
<01121>

of Israel
<03478>_:

therefore the Levites
<03881>

shall be mine;