Parliamentarians: approximately 4,000 soldiers under General Egerton; Royalist garrison of professional soldiers
The siege of Lathom House was a military confrontation between a Parliamentarian army and a Royalist stronghold in Lathom near Ormskirk in Lancashire, during the First English Civil War. The first siege lasted from late February to late May 1644, when the siege was lifted. The second siege took place a year later from July to December 1645. Lathom House was captured and slighted.
James Stanley, 7th Earl of Derby, was the leading Royalist adherent in the northwest of England when the civil war broke out in 1642. The family seat of the Stanleys was Lathom House. In 1643, the Earl of Derby was ordered by King Charles to fortify the Isle of Man against a possible Scottish invasion, and then move on to the northern campaign. His French wife, Charlotte de la Tremoüille, was left in charge of what turned out to be the last remaining Royalist stronghold in Lancashire. Sir Thomas Fairfax saw Derby's absence as an opportunity to strengthen the Long Parliament's position in Lancashire and set out to conquer Lathom House. Immediately after the fall of Warrington, the Parliamentarians requested that the countess acknowledge Parliament's authority and surrender her house, but she refused on the grounds that doing so would dishonour her husband. She offered to limit herself to defending her home, and this postponed further attacks on her position.
When Fairfax arrived at Lathom House in February 1644, the Countess had made every effort to conceal the strength of the castle's fortifications. Fairfax demanded that the Countess surrender Lathom House to him. She asked for a week to consider his offer, and then insisted that it was only appropriate that he visit her at Lathom House for further negotiations. He was received as an honoured guest, but the entire household categorically rejected his terms for surrendering. He gave her two more days to consider her situation. The emissary sent two days later was scornfully dismissed.
Nine towers, each with six cannons, three pointing in either direction, and the Eagle Tower providing an excellent overview of the battlefield
In addition, the castle was at the lowest point in the middle of an open expanse that allowed superb views of the enemy's activities. Charlotte had assembled a militia of seasoned marksmen who were able to inflict significant losses by sniping.
Latham-house stands upon a flat, upon a moorish, springy, and spumous ground; was encompassed by a strong wall of two yards thick; upon the wall were nine towers, flanking each other, and in every tower were six pieces of ordnance, that played three the one way, and three the other. Without the wall was a mote, eight yards wide, and two yards deep; upon the back of the mote, between the wall and the graff, was a strong row of palisadoes around; besides all these there was a high strong tower, called the Eagle Tower, in the midst of the house, surmounting all the rest; and the gate-house was also two high and strong buildings, with a strong tower on each side of it; and in the entrance to the first court upon the tops of these towers, were placed the best and choicest marksmen, who usually attended the Earl in his hunting and other sports, as huntsmen, keepers, fowlers, and the like; who continually kept watch with scrued [screwed] guns and long fowling pieces upon those towers, to the great annoyance and loss of the enemy, especially of their commanders, who were frequently killed in their trenches, or as they came or went to or from them.... Nature herself [seemed to have] formed [the house] for a strong hold or place of security.... The uncommon situation of it may be compared to the palm of a man's hand, flat in the middle, and covered with rising ground around it, and so near to it, that the enemy in a two year's siege, were never able to raise a battery against it so as to make a breach in the wall practicable to enter the house by way of storm.
The site of Siege of Lathom House lies on Triassic Rocks (Undifferentiated), bedrock that formed in the Triassic. The rock here is sandstone and conglomerate, interbedded.
Following the surrender at the end of 1645, the Parliamentarians demolished the formidable fortifications of Lathom House, whose walls had been six feet thick and surrounded by an eight-yard moat, and whose nine towers had each mounted six cannons. The destruction of these defences marked the final extinction of Royalist resistance in Lancashire.
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