The Brazilian couple found out that they are brother and sister after 10 years

Adriana, 39
years old, and her 37 years old husband, Liandra, live together for 10 years.
They have a 6 years old daughter. 
This wife and husband thought that it is an
accident that mother names of them are Maria. 
Liandra was say to her wife that
his mother, Maria, left him when he was 8 years old, and Adriana says to her
husband that her mother, Maria, gave her to father after divorce. 
Adriana could
to speak for first time with her mother, after she connected with a special
program of local radio to finds lost parents. 
However, in the end of program she
wonderfully, found that her mother has a boy that his name is Liandra, which is
her husband mother.