It seems it is almost impossible to find a complete guide of what the clan bonuses are anywhere. Thus i created this simple guide, that can be accessed while in the game. Vanilla Shogun 2 Chosokabe: Reduced Recruitment cost and upkeep for bow infantry Superior bow infantry 10% increase to farm income Shimazu: Superior and cheaper katana samurai and katana heroes Increased loyalty for all generals Hojo: Superior and cheaper siege weapons Castles are cheaper to build and repair (-10%) Mori: Superior and cheaper ships increased movement range for ships on the campaign map Oda: Cheaper ashigaru units with increased morale Date: Superior and cheaper No-Dachi units +2 to the charge bonus of all units Takeda: Superior and cheaper cavalry units with increased morale Tokugawa Superior and cheaper kisho ninja +5 to diplomatic relations +2% to metsuke success chance Uesugi: Can recruit superior and cheaper warrior monks increased trade income +2% monk action success chance Hattori: Some Hattori units have kisho training which allows them to hide more effectively and to deploy outside the deployment zone +2% to ninja action success chance Ikko Ikki Can recruit special ashigaru units including the loan sword ashigaru Cant train samurai which are replaced by ronin Cant recruit metsuke Ikko monks can cause ikko revolts which cause the province to join your faction if successful All generals either have the Fanatic (+2 to religious conversion rate) or True believer (+1 to religious conversion rate) trait Otomo: Reduced cost for for gunpowder infantry recruitment and reduced recruitment time for imported matchlocks Reduced costs for missionary actions Improved conversion speed to clan religion Fall of the Samurai Shogunate clans Sendai: 3 reduction to unhappiness from different allegiance 2 turn reduction to siege surrender time for enemies +10 to diplomatic relations 1 reduction to resistance from occupation Jozai: +2% to the movement speed to all units 10% increased casualties from sabotaging and harassing enemy armies +6 max yugekitai units armies can replenish in enemy territory if they do not suffer attrition Aizu: -10% to castle construction costs -10% to the recruitment costs of traditional units -10% to shinshengumi action cost +1 experience for traditional units Nagaoka: +10% to income from business chain buildings -15% to the recruitment costs of modern units +5% to geista action success chance +15% reloading skill for rifle units Obama: +2 to the experience of defending garrison units -10% to the upkeep cost of all land units +2 to repression across all provinces +5% increase in tax income Imperial clans Satsuma: 5% reduction to administration costs 15% increase to general influence radius -10% of foreign veteran action cost Tosa: +10 to diplomatic relations -1 to resistance to occupation across all provinces +2 naval bombardment range +2 experience to all ships Choshu: -10% to ishin shishi action costs -10% to the cost of modern units and military buildings 25% increase to income from looting +3 charge bonus for all units Saga: +5 to artillery accuracy Upkeep and recruitment of ships is 10% cheaper +20% to growth from industrial buildings Starts with a trading port Tsu: +2% to allegiance conversion rate +1 melee defence for all units +3 to the maximum number of kisho ninja -10% to the cost of shinobi actions Rise of the Samurai The Minamoto Kamakura Minamoto: +10% reload rate for samurai units Start with bushi art already mastered +20% to budo (military) arts mastery rate -20% to samurai unit upkeep Kiso Minamoto: +20% campaign map movement range -1 to samurai unit recruitment time -20% to the rate at which bunka (civil) arts are mastered Start with bushi art already mastered The Taira Yashima Taira: +20% to campaign map movement range for ships -20% to overall cost of ships Starts with koryu art already mastered +15% to income from trade Fukuhara Taira: +1 armor for naginata units -20% to naginata unit upkeep Starts with koryu art already mastered Starts with a "large" domain The Fujiwara Kubota Fujiwara: +10% to the recruitment cost of levies and attendants Can recruit superior warrior monks +30% to the rate at which bunka (civil) arts are mastered Starts with poetry and literature alredy researched Hiraizumi Fujiwara: -20% to junsatsushi action costs +10% to junsatsushi action success chance +5% tax income Starts with rice loans art already mastered