Does one say kaddish for a non-blood relative such as (chas v'shalom) a daughter-in-law? I know that a husband says kaddish when the parent of his wife passes away, but my understanding is that this ...
There is discussion here about saying Kaddish for parents and also some discussion on Kaddish for a sister. One place on the Chabad website states that Kaddish should be said for 30 days for a sibling ...
I have heard that some (e.g. Chabad?) have the practice not to say kaddish for one's deceased sister. Can anybody confirm this? What might be the reason for this? I had thought there is an ...