[jwalsh07]

Widow or widower, full retirement age or older — 100 percent of the deceased worker’s benefit amount;
Widow or widower, age 60 — full retirement age — 71½ to 99 percent of the deceased worker’s basic amount;
Disabled widow or widower aged 50 through 59 — 71½ percent;
Widow or widower, any age, caring for a child under age 16 — 75 percent.
A child under age 18 (19 if still in elementary or secondary school) or disabled — 75 percent.
Dependent parent(s) of the deceased worker, age 62 or older:
One surviving parent — 82½ percent.
Two surviving parents — 75 percent to each parent.

[Jedidah]

So full benefit at full retirement age, reduced if younger or disabled, and parents are included.

Thanks.