The family demographic panel FReDA is an annual survey with about 30,000 respondents including partner interviews. Every three years, FReDA also includes GGS questions and therefore is comparable with 18 other countries of the new GGS-II survey. This keynote shows three examples of research using these data: First, we analyze cohort fertility rates, fertility intentions and the ideal number of children over life course of women and men for 8 European countries. Second, we analyze perceived infertility over life course and the use of Medically Assisted Reproduction (MAR). For analyzing MAR, we consider the prevalence of multiple stages of seeking medical help to get pregnant from first doctor appointment to IVF treatment and show that the social and demographic determinants of MAR use differ across treatment stages. In the third research example, we investigate a novel survey question, which inquires the concrete ideal working time for both mothers and fathers, differentiated by the age of the youngest child. We compare the actual and ideal working time of mothers and fathers for different ages of children and calculate the respective gap over the family life course.