Modern Master Bathroom Redesign

Need a beautiful design for to be newly constructed bathroom... the bathroom is to be used for a family with 2 small children as well as it shall be ideal for old people usage...I am looking for a hanging Toilet, a Big shower place ideally with glass walls... double basin, and a concept for taking bath in case of a person is unable to stand ... I am attaching a diagram...the bathroom is 13 feet long and 8 and half feet wide... with doors... and window is 4 x 4,5 feet... so i am looing it to get it beautifully designed from some one who has real professional experience in sizes and can guide about exact sizes...i have uploaded a few images for design concept or direction...