Of Effectual Calling (1689 BCoF Ch10 Part 4)

PARAGRAPH 3
Elect infants dying in infancy are regenerated and saved by Christ through the Spirit;10 who works when, and where, and how He pleases;11 so also are all elect persons, who are incapable of being outwardly called by the ministry of the Word.

10 John 3:3,5–6
11 John 3:8