Definition of "sonship"

"All of this is now gone by," adds the poet; but of the men of our own time Thrasybulus comes nearest to the old type of loyal sonship.

1879, F. D. Morice, Pindar, chapter 7, page 118

Jesus' unusual conception and birth were by no means the chief ways in which the first Christians expressed their sense of his divine sonship.

2009, Karen Armstrong, The Case for God, Vintage, published 2010, page 89