OLAF WOOD:

Son of Hope Wood (née Bones) and Joseph Wood.

Born in 9th of November of 1999 in Dover, Kent, England.

Sorted into Gryffindor in 2010, when he was accepted at Hogwarts School of Witchcraft and Wizardry.

Is the Keeper (since 2011) and Captain of the Gryffindor Quidditch team (since 2014). 

BRUNO WOOD:

Son of Hope Wood (née Bones) and Joseph Wood.

Born in 19th of September of 2001 in London, England.

Sorted into Gryffindor in 2012, when he was accepted at Hogwarts School of Witchcraft and Wizardry.

CLAIRE WOOD:

Daughter of Hope Wood (née Bones) and Joseph Wood.

Born in 10th of May of 2003 in Cascais, Portugal. 

Sorted into Hufflepuff in 2014, when she was accepted at Hogwarts School of Witchcraft and Wizardry.

SARAH WOOD:

Daughter of Christinne Wood (née Beauté) and Oliver Wood.

Born in 1st of February of 2009 in Wales. 

She hasn't shown yet any signs of magical powers.