I am very sorry to hear about your situation. There is a proceedure in Chapter 13 which allows you to file a motion with the court, asking for a temporary suspension of payments. If you just need a short suspension, and you can show the court how you will make up the skipped payments, the chances are quite good that the court will grant you some extra time.
You can file a motion and ask for a "moratorium" on your payments -- a temporary suspension. You need to tell the court how long the payments won't be made and how you plan to make them up. A court might not suspend the payments here because the mortgage payment is in the plan. Is this a current payment or an arrearage? The Bankruptcy Judge here will not grant a moratorium if the current mortgage payments are through the plan. please consult your bankruptcy attorney.
