Baltersan Castle is a ruined L-plan tower house located near Maybole, Scotland. The site was originally occupied by Baltersan House, owned by Egidia Blair, Lady Row, who died in 1530. After her death, the house was demolished. The remains of her tomb can be seen in nearby Crossraguel Abbey. Her will survives and shows she was a generous benefactor to the Abbey, relatives, friends and neighbours. The inscription above the door tell us that the existing tower-house was built on the site in 1584, the work of John Kennedy of Pennyglen (near Maybole) and Margaret Cathcart, his spouse.
In 1721, the castle passed into the hands of Captain Hugh Arbuthnot, cousin to John Kennedy of Baltersan. By the middle of the 18th century, the castle had become abandoned and remains so to the present day.
The castle is a three-storey L-plan castle with an attic and garret. Its walls measure1.2 m in thickness. It has a vaulted ground floor and ashlar turrets on the northwestern and southeastern angles that are provided with gun loops.
References:House of the Blackheads (Melngalvju nams) is a building situated in the old town of Riga. The original building was erected during the first third of the 14th century for the Brotherhood of Blackheads, a guild for unmarried German merchants in Riga. Major works were done in the years 1580 and 1886, adding most of the ornaments.
The structure was bombed to a ruin by the Germans June 28, 1941 and the remains demolished by the Soviets in 1948. The current reconstruction was erected from 1995 to 1999. Today the House of Blackheads serves as a museum and sometimes concert hall.