( ( ( ( ( ( ( ( Their first-born ) , ) ( a son ) ) , ) ( died ( in infancy ) ) ) but ) ( ( ( ( Jennie , ) ( as ( Guiney ( liked ( to ( call her ) ) ) ) ) ) , ) ( ( ( gave birth ) ( to ( Louise ( Imogen Guiney ) ) ) ) ( on ( ( ( January 7 ) , ) 1861 ) ) ) ) ) . )
(ROOT (S (S (NP (NP (PRP$ Their) (NN first-born)) (, ,) (NP (DT a) (NN son)) (, ,)) (VP (VBD died) (PP (IN in) (NP (NN infancy))))) (CC but) (S (NP (NP (NNP Jennie)) (, ,) (SBAR (IN as) (S (NP (NNP Guiney)) (VP (VBD liked) (S (VP (TO to) (VP (VB call) (NP (PRP her)))))))) (, ,)) (VP (VBD gave) (NP (NN birth)) (PP (TO to) (NP (NNP Louise) (NNP Imogen) (NNP Guiney))) (PP (IN on) (NP (NNP January) (CD 7) (, ,) (CD 1861))))) (. .)))
Their first-born, a son, died in infancy but Jennie, as Guiney liked to call her, gave birth to Louise Imogen Guiney on January 7, 1861.
(ROOT (S (NP (NP (DT The) (JJ first) (NN year)) (PP (IN after) (NP (NN birth)))) (VP (VBZ is) (VP (VBN called) (NP (NN infancy)))) (. .)))