Ethan is the direct descendent of Merlin the Great and Lady Lydia and a pureblood and his house is Slytherin

Ethan being related to Merlin the great and lady Lydia made him a strong and powerful and rich wizard with good looks and Ethan also is a talented Quidditch player who won the Quidditch Slytherin cup in Hogwarts

Ethan being a direct descendent made him very attractive to the ladies of Slytherin and most other girls