From Madeline 2.0 PDE Docs and Madeline 2.0 PDE Source.

Columns

Core fields

FamilyId
IndividualId
Gender
Father
Mother

IndividualId type

First character of the IndividualId:

^ No offspring
& No offspring (infertility)
@ Terminated pregnancy
! Virtual (inserted by Madeline)

Optional "Core" fields

Affected
Sampled
DZTwin
MZTwin
DOB
Proband
Deceased
Consultand
Carrier

Optional "Affected" fields

Affected_*

Optional fields

*

Column types

S STRING
N NUMBER
X GENDER
G GENOTYPE
H HAPLOTYPE
D DATE in ISO "YYYY-MM-DD" format
A ALLELE
B BOOLEAN