A geared turbofan engine comprising: a fan rotatable about an engine axis; a compressor section compressing air and delivering the compressed air to a combustor where the compressed air is mixed with fuel and ignited to drive a turbine section that in turn drives the fan and the compressor section; a gear system driven by the turbine section for driving the fan at a speed different than the turbine section, the gear system including: a carrier attached to a fan shaft; a plurality of planet gears supported within the carrier, wherein each of the plurality of planet gears includes a first row of gear teeth and a second row of gear teeth supported within the carrier; a sun gear driven by a turbine section, the sun gear in driving engagement with the plurality of planet gears; and at least two separate ring gears (198A, 198B) circumscribing the plurality of planet gears, wherein each of the at least two ring gears (198A, 198B) are supported individually by a respective flexible ring gear mount (200A, 200B) that enables movement relative to an engine static structure; characterised in that each ring gear mount includes a curved portion (212A-B) respectively forward or aft of the ring gears (198A, 198B), wherein the flexible ring gear mounts (200A, 200B) collect oil expelled from the gear system and direct the collected oil through openings within each mount (200A, 200B) to an oil collector system. a fan rotatable about an engine axis; a compressor section compressing air and delivering the compressed air to a combustor where the compressed air is mixed with fuel and ignited to drive a turbine section that in turn drives the fan and the compressor section; a gear system driven by the turbine section for driving the fan at a speed different than the turbine section, the gear system including: a carrier attached to a fan shaft; a plurality of planet gears supported within the carrier, wherein each of the plurality of planet gears includes a first row of gear teeth and a second row of gear teeth supported within the carrier; a sun gear driven by a turbine section, the sun gear in driving engagement with the plurality of planet gears; and at least two separate ring gears (198A, 198B) circumscribing the plurality of planet gears, wherein each of the at least two ring gears (198A, 198B) are supported individually by a respective flexible ring gear mount (200A, 200B) that enables movement relative to an engine static structure; characterised in that each ring gear mount includes a curved portion (212A-B) respectively forward or aft of the ring gears (198A, 198B), wherein the flexible ring gear mounts (200A, 200B) collect oil expelled from the gear system and direct the collected oil through openings within each mount (200A, 200B) to an oil collector system. a carrier attached to a fan shaft; a plurality of planet gears supported within the carrier, wherein each of the plurality of planet gears includes a first row of gear teeth and a second row of gear teeth supported within the carrier; a sun gear driven by a turbine section, the sun gear in driving engagement with the plurality of planet gears; and at least two separate ring gears (198A, 198B) circumscribing the plurality of planet gears, wherein each of the at least two ring gears (198A, 198B) are supported individually by a respective flexible ring gear mount (200A, 200B) that enables movement relative to an engine static structure; characterised in that each ring gear mount includes a curved portion (212A-B) respectively forward or aft of the ring gears (198A, 198B), wherein the flexible ring gear mounts (200A, 200B) collect oil expelled from the gear system and direct the collected oil through openings within each mount (200A, 200B) to an oil collector system.