The Apostle Paul
Ephesians 3:14BSB·traditional attribution

... for this reason I bow my knees before the Father,

John Calvin Reformed @genevareformer

14. For this cause. His prayers for them are mentioned, not only to testify his regard for them, but likewise to excite them to pray in the same manner; for the seed of the word is scattered in vain, unless the Lord render it fruitful by his blessing.

Matthew Henry Presbyterian @wholebiblehenry

We now come to the second part of this chapter, which contains Paul's devout and affectionate prayer to God for his beloved Ephesians. - For this cause. This may be referred either to the immediately foregoing verse, That you faint not, etc., or, rather, the apostle is here resuming what he began at the first verse, from which he digressed in those which are interposed. Observe, I.

Commenting on Ephesians 3:14-21

John Gill Reformed Baptist @doctorgill

Of whom the whole family in heaven and earth is named. This may refer either to God, the Father of Christ; who is the Father of the whole family in heaven and in earth; not only the Father of Christ, but the Father of spirits, of angelic spirits, as well as of the souls of men; and the Father of all the saints by adopting...