Complex sentence: On 22 September 1958, she was created a Life Peer in her own right, becoming Baroness Swanborough, of Swanborough, in the County of Sussex, and was the first woman to take her seat in the House of Lords.
Split into simpler sentences: On 22 September 1958, she was created a Life Peer in her own right, becoming Baroness Swanborough, of Swanborough, in the County of Sussex. She was the first woman to take her seat in the House of Lords.