Mary and her four brothers had very similar histories. Determine when each was born, when they married, and when they died.

1. The oldest sibling married two years after the one born in 1921.

2. Mary had been married for 40 years when she died, and was born a year later than the brother who died in 1989.

3. The youngest sibling married a year before Joseph and died a year before Michael.

4. The one who married in 1950 died two years before the one who married in 1949.

5. The one born in 1923 married more than a year before Joseph, and died more than a year before him.

6. William is the only one with statistics that are all odd numbered years; Peter (whose dates are all even numbered) died a year after the one who married in 1946.