Nicknames, if any, are up to you, unless there is a specific rule for the nickname. You can decide whether wives take their husbands' names, keep their maiden names, hyphenate, or whatever.
Also, things like a flower, a color, etc. can be in any language.
DH (50) FN: the name of a saint; MN: ends in -son; LN: the name of a famous author
DW (48) FN: an actress who was popular in the 50's or early 60's; MN: a gemstone; LN: consists of two words, e.g. St. John or Van Buren
DD (27) FN: a character from a film released in 1983 (
http://en.wikipedia.org/wiki/1983_in_film); MN: a flower
---DH (27) FN: a Biblical name; MN: the name of an English King; LN: a popular surname in England (
http://surnames.behindthename.com/top/lists/100ens1991.php); NN: ends in Y
---DS (3) FN: popular in England in 2007; MN1: same as father or grandfather's middle name; MN2: ends in N
---DD (nb) FN: begins with same letter as mother's; MN1: same as grandmother's middle name MN2: Shakespearean
---DDog: a term of endearment, e.g. Honey
DS (25) FN: same as father's; MN: a name that was popular in the 40's; NN: derived from middle name
---DW (25) FN: ends in -er; MN: begins with the same letter as the first name; LN: a color
---DD/DS (1) FNs: anagrams of each other; MNs: masculine and feminine forms of the same name
DD (23) FN: a French name; MN: same as mother's middle name; NN: an androgynous nickname
---DH (23) FN: has a religious meaning; MN: Begins with X, Y, or Z; LN: a place
---DD (nb) FN: a "smush" of the parents' names; MN: a "filler" name
DD (20) FN: popular in 1990; MN: a palindrome
---DBF (21) FN: the name of a famous scientist; MN: a nickname; LN: a noun
---DKittens: Named after a famous couple or duo, e.g. Abbott & Costello, Romeo & Juliet
DD (17) FN: a compound or hyphenated name; MN: a one-syllable name
DS (10) FN: contains the letter Y; MN: an uncommon or invented spelling of a common name