Robertson claims she never received notice of a court date.
A family member took care of Urlacher's son until he was able to pick him up later in the morning.
Mother of Urlacher's son arrested
Tyna Robertson was picked up on a warrant for contempt of court issued by a Los Angeles court on December 10. It came at the request of Riverdance star Michael Flatley. Robertson missed a court date and has not been making any payments on an $11-million judgment against her for making false sexual assault accusations against Flatley.
