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Possible Carrier Persons

Possible Carrier are individuals who  descends from inter related relationships and has descendants who are Affected or has a linked ancestor who has Affected descendants in other branches of the family.

(*)  This column shows the retinal eye condition of the Affected individuals.
CR    Cone Rod Dystrophy
RP     Retinitis Pigmentosa
SD     Stargardts Dystrophy

Name Related Ancestor Link Affected Descendant *
Geyser Ursula Imelda None Geyser Matthys  Johannes

Field Rory Craig
Field Scott Justin

SD
Geyser Willem Stephanus None Geyser Matthys  Johannes Field Rory Craig
Field Scott Justin
SD
van Huyssteen Maria Agnes

van Huyssteen Hendrik
van Huyssteen Maria Magdalena

None

Snyman Margaret Lynette
van Rooyen Anton -Leopold

SD
van Rooyen Gert Thomas

van Rooyen Jan Abraham &
vanRooyen Hester Jacomina Antoinette
van Rooyen Gerrit Thomas &
van Rooyen Maria Catherina

van Rooyen Marthinus (1) Snyman Margaret Lynette
van Rooyen Anton Leopold
SD