Many genealogical publishers offer the forms for sale.
Locally, they can be obtained at the Family History Center . One fills out a family group sheet for each person being researched as best as one can. The goal of genealogical research is to completely fill out the applicable blanks on the sheet. These sheets form the basis for writing a narrative history if one is interested in writing a family history, or in making a pedigree chart. This information and other information will appear on the family group sheet for this individual as a parent.