Here is an example of what I am talking about. I had not yet determined my great-great-great grandfather’s date of birth, but I had a few other records that provided clues. I knew his name was Henry Horn and he had married Catharina Gottschalk from other records I had obtained. The birth certificate of his son, Casper Joseph Horn dated 20 October 1838, stated that
Henry was 41 at the time of Casper’s birth. I concluded from this that Henry was
born in about 1797. The death certificate for his wife Catharina, dated 29
August 1874, stated that Henry was 77 at the time of her death. This data also
reinforced my hypothesis that Henry was born in 1797. Finally, Henry’s own death
certificate, dated 6 April 1880, stated that he was 83 at the time of his death.
I now had three records all telling me that Henry was born in 1797, but still
did not have the exact date.
All of the major life events stated above occurred in Schwadorf Germany so I concluded that Henry was probably born in Schwadorf. With this information I was able to really narrow my search. I only focused on birth records from 1797 in Schwadorf Germany. Walla! I found a birth record for Joannes Henricus Horn dated 1 August 1797 from Schwadorf. I am
reasonably sure that Joannes Henricus Horn known as Henry, is my 3-great
grandfather and he was born on 1 August 1797 in Schwadorf Germany.
This is one of many examples that I have found in my research where one clue leads to another and another. My advice is to follow the clues and let them guide you. Be skeptical and do not draw conclusions until you have thoroughly researched a number of documents.