The kinship (guild) level in LotRO is determined by the amount of time since foundation, with benefits ranging from kinship-only auction posts & cheaper kinship postal service, to number of members allowed.

The Summer Festival dev diary at www.lotro.com will help guide you around the 4 racial locations for this fun festival - a couple of which have a special game to enjoy as well as the standard fare of frivolous activities :) See you there :D