'Whereof' in the Bible

because of the hope which is laid up for you in the heavens, whereof ye heard before in the word of the truth of the gospel,

if so be that ye continue in the faith, grounded and stedfast, and not moved away from the hope of the gospel which ye heard, which was preached in all creation under heaven; whereof I Paul was made a minister.

whereof I was made a minister, according to the dispensation of God which was given me to you-ward, to fulfil the word of God,