1) Setting the maximum number of the ancestor or descendant generations to "0" or to negative values: this should be not possible.
2) Setting the maximum number of ancestor generations to "1": the proband, his/her parents and grandparents are added, expected is only the proband and his/her parents.
1) Setting the maximum number of the ancestor or descendant generations to "0" or to negative values: this should be not possible.
2) Setting the maximum number of ancestor generations to "1": the proband, his/her parents and grandparents are added, expected is only the proband and his/her parents.