Elisabeth's aunt, Queen Amalie of Saxony, lost 6 of her children. It is far more depressive I think, and Amalie would not become a "martyr". Even the Archduchess Sophie lost two of her children, her only daughter, and Ferdinand Max.
Sisi may suffered a lot, but not more as other woman at that time in her family... I don't want to hurt Elisabeth, but I don't like, when somebody is soo pity of her and ONLY her, it is not fair.