Stream Lion is a mare

Mare (horse)

A mare is an adult female horse or other equine.In most cases, a mare is a female horse over the age of three, and a filly is a female horse age three and younger. However, in Thoroughbred horse racing, a mare is defined as a female horse more than four years old; in harness racing a mare is a...

 well known for producing event

Eventing

Eventing is an equestrian event comprising dressage, cross-country, and show jumping. This event has its roots in a comprehensive cavalry test requiring mastery of several types of riding...

 horses, including four of Bruce Davidson’s

Bruce Davidson (equestrian)

Bruce Oram Davidson is an American equestrian who competes in the sport of eventing. He grew up in a family uninterested in horses, but began to compete in Pony Club events after a family friend introduced him to horses...

 top mounts.

• Foaled: 1974
• Sex: Mare
  Mare (horse)
  A mare is an adult female horse or other equine.In most cases, a mare is a female horse over the age of three, and a filly is a female horse age three and younger. However, in Thoroughbred horse racing, a mare is defined as a female horse more than four years old; in harness racing a mare is a...
  
  
• Color: Bay
  Bay (color)
  Bay is a hair coat color of horses, characterized by a reddish brown body color with a black mane, tail, ear edges, and lower legs. Bay is one of the most common coat colors in many horse breeds....
  
  
• Breed: Irish Sport Horse
  Irish Horse
  The Irish Sport Horse , also known as the Irish Hunter, is mainly the result of a cross between the Irish Draught and the Thoroughbred. It has been given recognition as a separate breed,...
  
  
• Breeding: by Ideal Water (by Water Serpent), out of Lady Luck (by Laughton RID)
• Breeder: Patricia Nicholson of Kells
  Kells, County Meath
  Kells is a town in County Meath, Ireland. The town lies off the M3 motorway, from Navan and from Dublin. In recent years Kells has grown greatly with many Dublin commuters moving to the town....
  
  , Co.Meath
  County Meath
  County Meath is a county in Ireland. It is part of the Mid-East Region and is also located in the province of Leinster. It is named after the ancient Kingdom of Mide . Meath County Council is the local authority for the county...
  
  , Ireland
  Ireland
  Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...
  
  

Patricia Nicholson first bought Lady Luck, a lovely mare by the Irish Draught

Irish Draught

The Irish Draught horse is the national horse breed of Ireland which developed primarily for farm use. Today, they are especially popular for crossing with Thoroughbreds and warmbloods, producing the popular Irish Sport Horses which excel at the highest levels of eventing and show jumping.-...

 stallion

Stallion (horse)

A stallion is a male horse that has not been gelded .Stallions will follow the conformation and phenotype of their breed, but within that standard, the presence of hormones such as testosterone may give stallions a thicker, "cresty" neck, as well as a somewhat more muscular physique as compared to...

 Laughton, from a nearby farm. The mare was about to be sold "to the factory," because she was apparently unable to breed any longer, and Nicholson was able to buy both her and another mare for a cheap £40.

Impressed by the records of the get of Water Serpent, especially in the show jumping

Show jumping

Show jumping, also known as "stadium jumping," "open jumping," or "jumpers," is a member of a family of English riding equestrian events that also includes dressage, eventing, hunters, and equitation. Jumping classes commonly are seen at horse shows throughout the world, including the Olympics...

 arena, Nicholson decided to breed her new mare to one of the stallion’s sons, Ideal Water. The result was the filly Stream Lion.

Stream Lion was ridden by Nicholson's daughter before being handed off to Peter Charles as a show jumper

Show jumping

Show jumping, also known as "stadium jumping," "open jumping," or "jumpers," is a member of a family of English riding equestrian events that also includes dressage, eventing, hunters, and equitation. Jumping classes commonly are seen at horse shows throughout the world, including the Olympics...

. After her successful career showing, she was kept for breeding. Her first foal was the 1982 Rennies Boy gelding, named Rebel Lion, who was ridden on the amateur event circuit in Ireland by the Co Kildare rider Donal McKenna. In all she has had eight offspring: Pirate Lion, Regent Lion, Eagle Lion

Eagle Lion

Eagle Lion is an event horse that has competed at the highest level of the sport with great success.*Foaled: 1985 in Ireland*Height: 16.1 hh *Color: Bay*Sex: Male*Breed: Thoroughbred/Irish Sport Horse...

, and Lion King (all ridden by American eventer Bruce Davidson

Bruce Davidson (equestrian)

Bruce Oram Davidson is an American equestrian who competes in the sport of eventing. He grew up in a family uninterested in horses, but began to compete in Pony Club events after a family friend introduced him to horses...

), the mare Cara Lion who produced Sea Lion (recently sold by Bruce Davidson) and Cruise Lion, a two-year-old colt, a mare currently kept by Patricia for breeding, and a new colt by the stallion Mr. Lord. Her four sons ridden by Davidson have had excellent careers at the highest level of eventing.