Ziyad

I.

FACTUAL AND PROCEDURAL

BACKGROUND

Gina filed a petition for dissolution of marriage in August 2008, and the petition was granted, effective December 31, 2009. According to the register of actions, the parties have continued to litigate various matters, including child custody, child-support payments, and visitation.

1 For the sake of clarity, we refer to the parties by their first names since they share the same surname. (In re Marriage of Leonard (2004) 119 Cal.App.4th 546, 550, fn. 2 (Leonard).)

1 Nigel and Gina have three children, two of whom (teenaged twins) are the subject of the order Nigel challenges. Following a hearing, the trial court ordered on April 24, 2013,2 that Nigel pay $1,252 each month to support the twins (April 24 order). Attached to the court’s order is a computer printout showing both parents’ incomes and the percentage of time each parent spends with the children. But our record includes no transcript of the hearing. At oral argument in this court, Nigel discussed some of his income and expenses reflected in the clerk’s transcript, but nothing in the record identifies what specific evidence was relied upon by the trial court in issuing the April 24…