Mrs Carl Johan Lindström (Sigrid Posse), 55, was born 18 December 1856 the daughter of Knut Lage Fredriksson (10 March 1821-24 October 1900) Posse, and Louisa (née Aminoff; 21 December 1829- 5 February 1890) Posse, who had married 12 May 1852 in Malmö, Malmöhus County, Sweden.
She was christened 9 May 1856 at Garnison, Ängelholm, in the Church of Sweden. Her father, Knut Posse, was a count and a Major General in the Swedish army. Her uncle Arvid had served as Swedish Premier from 1880 to 1883. Her brothers and sisters were Ebba, b. 4 September 1853, Arvid, b. 14 April 1855, and Christer, b. 5 December 1858 (he died 1886 in the Congo).
She married Captain Carl Johan Lindström (b. 21 July 1849 at Växjö; his father was a country squire) on 24 July 1888 and they had at least three daughters; Ebba, b. 7 August 1892 in Linköping (d. 2 June 1893), Sigrid, b. 23 August 1889 in Linköping, and Mary, b. 25 October 1894 in Linköping. They had lived in Växjö from 1888, but had moved to Linköping later the same year and then moved to Stockholm 2 September 1910, living in Hedvig Eleonora parish.
In 1912, Sigrid Lindström lived at Östermalmsgatan 20, Stockholm and she was going to a Mrs. Norbert (possibly a sister?), 63 Riverside Drive, New York City having travelled via Paris and Cherbourg.
She stood 5'4'', had brown hair, grey eyes and a light complexion.
On the Titanic, which she boarded at Cherbourg as a first class passenger (ticket No.: 112377, £27 14s 5d), she got to know Mauritz Håkan Björnstrom-Steffanson, who escorted her to Lifeboat 6. She later sued White Star for some 6000 francs of lost clothes. She was widowed 1917 and passed away 3 November 1946 in Lidingö (an island in the Stockholm archipelago), Sweden
Mrs. Sigrid Lindström, nee Posse, Stockholm, passed away this Sunday:
The deceased, who was nearly 90 years old, was born in Ängelholm, the daughter of Count Knut Lage Posse, Major, and his wife, nee Aminoff.
Since 1917, she was the widow of Carl Lindström, Captain of the First Grenadiers.
She leaves children, grandchildren and great grandchildren. - Svenska Dagbladet
Sigrid Lindstrom was buried on 11 November 1946 at Norra begravningsplatsen (Northern Cemetery), Stockholm. Her husband Carl Johan Lindström was buried in the same grave in 1917. The time of lease for the grave ended in 1969 and the grave no longer exists.