Calendar and Titling Notes

For my story of the fledgling country of Larina, I have assigned a system of titling and year marking to make it easier to know who is whom. The same stands for all nobility of Evrona.
Note: There is currently no family assigned to the Marquis and Marchioness station.

TITLING

DUKE AND DUCHESS

1st born son: Duchon (du'kon)
1st born daughter: Ducha (du'khaa)
Other sons: Duchonn (du'kon)
Other daughters: Duchane (du'kane)

MARQUIS AND MARCHIONESS

1st born son: Marquon (marh'kon)
1st born daughter: Marchia (marh'shia)
Other sons: Marquonn (marh'kon)
Other daughters: Marchiane (marh'shi'ann)

EARL AND COUNTESS

1st born son: Earlon (err'lonn)
1st born daughter: Contessa (kon'teh'ss'ah)
Other sons: Earlonn (err'lonn)
Other daughters: Containe(kon't'ay'hn)

LORD AND LADY:

1st born son: Master [Family Name]
1st born daughter: Mistress [Family Name]
Other sons: Master [First Name]
Other daughters: Mistress [First Name]

For the calendar - Evrona and S'rin had differing calendars. To solve the problem of the creation of Larina and it's fitting in with S'rin, the dates are denoted from the day Rex Endoic and King Haryll merge their families by the marriage of Rexa Sitale and Haryll's as-yet-unborn heir.

Evrona is in 1276 when King Ervon dies and King Evron assumes the throne, banishing the then-Prince Haryll. Evrona's dates continue from this point as normal.

Larina, the small fledgling nation, dates it's years from the date Haryll proclaimed himself King and settled in the land.

S'rin dates it's years from ancient times when the Empire was larger and is in year 4821 when the Larinan's settle in their land.

So, until the marriage and formalisation of the country merge, the dates applied will be of the person's country and from then on, dated from the marriage of Larina and S'rin.

Sounds more complicated than it is! I promise, it will all be much more streamlined when it is in play.