Father and Brother’s home is excessively cluttered

trying to identify all the Circumstances and that is probably what adds to me frustration

C- House is excessively cluttered, they have a bug issue, Brother is physically limited but not mentally.
T- they expect me to help them remedy this situation because I am able bodied.
F – it is overwhelming. My Dad still cannot let go of items and it becomes frustrating. Then when I get home, my husband is upset with me for continuing to put myself in this frustrating situation – I feel guilty if I don’t help
A- I keep trying even though my Dad gets quite angry with me and my brother is not really all that appreciative
R- everyone is upset with me and I feel totally beaten down.