| I am sorry for you loss.
And whlie the laws of various places differ and you did not say what county you live in, ( US, Canada, Peru) or if the US what state, some may know more exact rules for where you live.
But in basis, no it is all up to his wife at his time of death, unless he left specific written requests in his will.
If I can suggest remember the ashes is not your father, the spriit the life that was him is not in the ash. He lives in you, his family and in the love that was there.
Often we recommend you build a small memorial on the area he loved. A bench, perhaps a water feature and a small meditation area. Of course being Catholic we do it with a religious statue also but that is a personal choice.
You can of course hire an attorney to write her with a demand to know what is the status, often a letter from an attorney will scare them into a response |