Article continues below advertisementJoseph Duggar secretly became a father for the fourth time before he was arrested on child molestation charges.The news of the child's birth was revealed after the reality TV alum, 31, was listed as a father-of-four when he was booked into the Washington County, Ark., jail at 3:59 p.m. on Wednesday, March 18, according to prison records obtained by a news outlet.