1. Use DNA to connect various Eastman families (and any variant surnames). 2. To solve Eastman pedigree brickwalls. 3. To provide a means for possibly determining which Eastman family line should be researched next. 4. To corroborate existing research.
DNA Collection Method:The collection of a DNA sample may sound like a rather daunting process - however it is a very simple and painless procedure which is excellently explained by Dave Dorsey's step by step photographic guide to the whole process http://www.davedorsey.com/dna.html