There are 4 initials for each, 1 FN, 1 OR 2 MN(s) and 1 LN. The second MN (third initial) is optional.
DH: GFTI
DW: ERQT
DD1: RNLI
DD2: ICXI
DS1: WVZI
DD3: FBKI
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DW: DD1
DH: AHIR
DS: DGTR
DS: JIPR
DS: AHIR Jr. (Father's name)
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DW: DD2
DW: LKEF
ADD: HUTF-I
ADS/ADD: EVKF-I / SGQF-I
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DH: DS1
DW: RBBB
DD: KRDI
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DW: DD3
DH: JTWD
DS: ACOD
DD: COAD
DD: OACD