It's not really a possible scenario.
The possessive form for the noun the deceased is the deceased's (the deceased's family).
NedMaude (Wife|Deceased)RoddToddEdna (Wife|Deceased)
Bills are paid from the estate of the deceased.
After burial
The kids would be the deceased sister's nephew's/niece's. In other words, the sister would be the kid's aunt.
what is family union
No, a body does not have to be present if the family of the deceased has a memorial. The memorial is simply a celebration of the deceased life. When someone gives a memorial for a person who has passed away, their body does not need to be there.
Friends and family of the deceased
it is when people visit there family and friends that are abroad.
No, people do not give money to the family of the deceased at wakes in Ireland.
Family and friends of the deceased.
Anyone, but it is usually a family member of the deceased