Keep in mind that information contained in court records is only as accurate as the individuals providing the information. This can be true in any type of court action.
A deceased individual had two daughters who had children with the same man. Instead of listing the children separately in the estate settlement (as was done with children of others), the children were all listed together as if they had the same mother and father. No mention was made of the one sister.
Another estate settlement from the 1980s completely ignored a half-sibling who should have been listed in the intestate settlement.
Court records are usually accurate. But, if information they contain seems to conflict with other information, obtained independently from other sources, consider the possibility that the court record could be incorrect.