"I'm one of 10 children, my auntie had 15 children and another aunt had 14. When you add up the family tree, it's not hard to create a gathering of this size."
The 90-year-old is the great granddaughter of William Taylor, who emigrated to Otago in 1861 from Elgin, Scotland, on the Lady Egidia.
She was the oldest of the large group of family members who gathered at the Waiora Scout Camp on Saturday to celebrate the 150th reunion of the Taylor family.
Mrs Adamson said although she was 7 years old when Mr Taylor died, she never had the privilege of meeting him.
"I lived in Edendale as a child. In those days, it was quite a distance to travel between Southland and Otago."
However, the history of Mr Taylor was well known by his descendants.
Soon after his arrival in Otago, he joined the gold rush to Gabriel's Gully in the hope of finding his fortune.
However, he failed to find any gold and returned to the coast.
He settled on the Taieri where he bought some horses and a wagon which he used to take supplies along the Dunstan trail from Dunedin to the gold-mining settlement in Arrowtown.
Many of the family members gathered at the East Taieri Cemetery on Saturday morning to unveil a gravestone for Mr Taylor.
Mrs Adamson now lives in Shepparton, in Victoria, Australia, and despite beginning to feel the limitations brought about by age, she said the opportunity to see family again was revitalising.
"It's lovely to see how everyone has grown - and all the new additions to the family. The youngest here are twins."