Meshullam, the Scribe, 4th Exilarch

Meshullam is both an ancestor and descendant of Zerubabbel 3rd Exilarch and I don't know how to fix this:

ANCESTOR PATH:

Zerubbabel 3rd Exilarch / זרובבל
his father → Salathial ., 2nd Exilarch
his father → King Jechoniah, 18th King of Judah
his father → Nehusta .
his mother → Elnathan .
her father → Achbor .
his father → Michaiah .
his father → Gemariah .
his father → Shaphan ., the Scribe
his father → Azaliah ., the Scribe
his father → Meshullam ., the Scribe, 4th Exilarch
his father

DESCENDANT PATH:

Nehusta .→ Elnathan .
her father → Achbor .
his father → Michaiah .
his father → Gemariah .
his father → Shaphan ., the Scribe
his father → Azaliah ., the Scribe
his father → Meshullam ., the Scribe, 4th Exilarch
his father → Zerubbabel 3rd Exilarch / זרובבל
his father